GERMAN LIZARRALDE

2.8k total citations · 1 hit paper
30 papers, 2.2k citations indexed

About

GERMAN LIZARRALDE is a scholar working on Endocrinology, Diabetes and Metabolism, Behavioral Neuroscience and Molecular Biology. According to data from OpenAlex, GERMAN LIZARRALDE has authored 30 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Endocrinology, Diabetes and Metabolism, 8 papers in Behavioral Neuroscience and 5 papers in Molecular Biology. Recurrent topics in GERMAN LIZARRALDE's work include Stress Responses and Cortisol (8 papers), Growth Hormone and Insulin-like Growth Factors (8 papers) and Hormonal and reproductive studies (6 papers). GERMAN LIZARRALDE is often cited by papers focused on Stress Responses and Cortisol (8 papers), Growth Hormone and Insulin-like Growth Factors (8 papers) and Hormonal and reproductive studies (6 papers). GERMAN LIZARRALDE collaborates with scholars based in United States, Australia and Canada. GERMAN LIZARRALDE's co-authors include Ali Iranmanesh, Johannes D. Veldhuis, Michael L. Johnson, J. D. Veldhuis, Michael J. Waters, Ken K. Y. Ho, A. Iranmanesh, Randall J. Urban, Mark L. Johnson and William S. Evans and has published in prestigious journals such as The Journal of Clinical Endocrinology & Metabolism, The American Journal of Medicine and American Journal of Physiology-Endocrinology and Metabolism.

In The Last Decade

GERMAN LIZARRALDE

30 papers receiving 2.1k citations

Hit Papers

Age and Relative Adiposity Are Specific Negative Determin... 1991 2026 2002 2014 1991 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Age and Relative Adiposity Are Specific Negative Determinants of the Frequency and Amplitude of Growth Hormone (GH) Secretory Bursts and the Half-Life of Endogenous GH in Healthy Men*
    1991 520 citations Ali Iranmanesh, GERMAN LIZARRALDE et al. The Journal of Clinical Endocrinology & Metabolism profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
GERMAN LIZARRALDE United States 18 1.4k 605 481 403 303 30 2.2k
Laura Gianotti Italy 33 1.5k 1.0× 766 1.3× 968 2.0× 209 0.5× 325 1.1× 111 2.8k
Anna‐Lena Hulting Sweden 31 1.5k 1.1× 551 0.9× 543 1.1× 291 0.7× 392 1.3× 62 3.1k
Roberta Giordano Italy 34 1.9k 1.3× 434 0.7× 448 0.9× 472 1.2× 291 1.0× 114 3.1k
Zila Shen‐Orr Israel 22 866 0.6× 322 0.5× 375 0.8× 139 0.3× 435 1.4× 32 1.8k
A. Grossman United Kingdom 25 710 0.5× 224 0.4× 273 0.6× 216 0.5× 329 1.1× 47 1.8k
Gaetano Frajese Italy 23 980 0.7× 307 0.5× 283 0.6× 76 0.2× 353 1.2× 63 2.0k
R Leclercq Belgium 22 592 0.4× 398 0.7× 307 0.6× 534 1.3× 123 0.4× 80 1.8k
John D Blackman United States 21 690 0.5× 471 0.8× 549 1.1× 64 0.2× 188 0.6× 24 1.8k
Svetozar Damjanović Serbia 23 865 0.6× 266 0.4× 393 0.8× 127 0.3× 200 0.7× 105 1.7k
Mauro Maccario Italy 39 3.4k 2.4× 1.6k 2.6× 1.6k 3.3× 273 0.7× 531 1.8× 161 5.1k

Countries citing papers authored by GERMAN LIZARRALDE

Since Specialization
Citations

This map shows the geographic impact of GERMAN LIZARRALDE's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by GERMAN LIZARRALDE with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites GERMAN LIZARRALDE more than expected).

Fields of papers citing papers by GERMAN LIZARRALDE

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by GERMAN LIZARRALDE. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by GERMAN LIZARRALDE. The network helps show where GERMAN LIZARRALDE may publish in the future.

Co-authorship network of co-authors of GERMAN LIZARRALDE

This figure shows the co-authorship network connecting the top 25 collaborators of GERMAN LIZARRALDE. A scholar is included among the top collaborators of GERMAN LIZARRALDE based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with GERMAN LIZARRALDE. GERMAN LIZARRALDE is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Veldhuis, Johannes D., Ali Iranmanesh, GERMAN LIZARRALDE, & Randall J. Urban. (1994). Combined deficits in the somatotropic and gonadotropic axes in healthy aging men: An appraisal of neuroendocrine mechanisms by deconvolution analysis. Neurobiology of Aging. 15(4). 509–517. 20 indexed citations
2.
Veldhuis, Johannes D., et al.. (1993). Evidence for attenuation of hypothalamic GnRH impulse strength with preservation of GnRH pulse frequency in men with chronic renal failure. Blood Purification. 11(1). 69–71. 1 indexed citations
3.
Iranmanesh, Ali, GERMAN LIZARRALDE, & Johannes D. Veldhuis. (1993). Coordinate activation of the corticotropic axis by insulin-induced hypoglycemia: simultaneous estimates of β-endorphin, adrenocorticotropin and cortisol secretion and disappearance in normal men. European Journal of Endocrinology. 128(6). 521–528. 38 indexed citations
4.
Veldhuis, J. D., GERMAN LIZARRALDE, & A. Iranmanesh. (1992). Divergent effects of short term glucocorticoid excess on the gonadotropic and somatotropic axes in normal men.. The Journal of Clinical Endocrinology & Metabolism. 74(1). 96–102. 64 indexed citations
5.
Veldhuis, Johannes D., et al.. (1992). Rhythmic and Nonrhythmic Modes of Anterior Pituitary Gland Secretion. Chronobiology International. 9(5). 371–379. 5 indexed citations
6.
Iranmanesh, Ali, GERMAN LIZARRALDE, & J. D. Veldhuis. (1992). Robustness of the male lactotropic axis to the hyperprolactinemic stimulus of primary thyroidal failure.. The Journal of Clinical Endocrinology & Metabolism. 74(3). 559–564. 5 indexed citations
7.
Veldhuis, Johannes D., Ali Iranmanesh, Ken K. Y. Ho, et al.. (1991). Dual Defects in Pulsatile Growth Hormone Secretion and Clearance Subserve the Hyposomatotropism of Obesity in Man*. The Journal of Clinical Endocrinology & Metabolism. 72(1). 51–59. 382 indexed citations
8.
Iranmanesh, Ali, GERMAN LIZARRALDE, Michael L. Johnson, & Johannes D. Veldhuis. (1991). Nature of Altered Growth Hormone Secretion in Hyperthyroidism*. The Journal of Clinical Endocrinology & Metabolism. 72(1). 108–115. 55 indexed citations
9.
Veldhuis, Johannes D., Michael L. Johnson, Ali Iranmanesh, & GERMAN LIZARRALDE. (1990). Temporal Structure of In Vivo Adrenal Secretory Activity Estimated by Deconvolution Analysis. Journal of Biological Rhythms. 5(3). 247–255. 6 indexed citations
10.
LIZARRALDE, GERMAN, et al.. (1990). Intensive Venous Sampling Paradigms Disclose High Frequency Adrenocorticotropin Release Episodes in Normal Men*. The Journal of Clinical Endocrinology & Metabolism. 71(5). 1276–1283. 58 indexed citations
11.
Veldhuis, Johannes D., Ali Iranmanesh, Michael L. Johnson, & GERMAN LIZARRALDE. (1990). Amplitude, but not Frequency, Modulation of Adrenocorticotropin Secretory Bursts Gives Rise to the Nyctohemeral Rhythm of the Corticotropic Axis in Man*. The Journal of Clinical Endocrinology & Metabolism. 71(2). 452–463. 135 indexed citations
12.
Veldhuis, Johannes D., Ali Iranmanesh, Michael L. Johnson, & GERMAN LIZARRALDE. (1990). Twenty-Four-Hour Rhythms in Plasma Concentrations of Adenohypophyseal Hormones Are Generated by Distinct Amplitude and/or Frequency Modulation of Underlying Pituitary Secretory Bursts*. The Journal of Clinical Endocrinology & Metabolism. 71(6). 1616–1623. 141 indexed citations
13.
LIZARRALDE, GERMAN, et al.. (1990). Dynamics of 24-Hour Endogenous Cortisol Secretion and Clearance in Primary Hypothyroidism Assessed before and after Partial Thyroid Hormone Replacement*. The Journal of Clinical Endocrinology & Metabolism. 70(1). 155–161. 68 indexed citations
14.
Iranmanesh, Ali, GERMAN LIZARRALDE, Michael L. Johnson, & Johannes D. Veldhuis. (1989). Circadian, Ultradian, and Episodic Release ofβ-Endorphin in Men, and Its Temporal Coupling with Cortisol*. The Journal of Clinical Endocrinology & Metabolism. 68(6). 1019–1026. 47 indexed citations
15.
Iranmanesh, Ali, et al.. (1989). 24‐Hour Pulsatile and Orcadian Patterns of Cortisol Secretion in Alcoholic Men. Journal of Andrology. 10(1). 54–63. 64 indexed citations
16.
Iranmanesh, Ali, et al.. (1988). Alterations in the Pulsatile Properties of Gonadotropin Secretion in Alcoholic Men. Journal of Andrology. 9(3). 207–214. 6 indexed citations
17.
Veldhuis, Johannes D., Alan D. Rogol, William S. Evans, et al.. (1986). Spectrum of the Pulsatile Characteristics of LH Release in Normal Men. Journal of Andrology. 7(2). 83–92. 19 indexed citations
18.
Sagel, Julius, John A. Colwell, C B Loadholt, GERMAN LIZARRALDE, & A Greene. (1973). Circadian Rhythm in the Urinary Excretion of Cyclic 3′,5′-Adenosine Monophosphate in Man. The Journal of Clinical Endocrinology & Metabolism. 37(4). 570–573. 13 indexed citations
19.
LIZARRALDE, GERMAN, et al.. (1966). Generalized Aminoaciduria in the Magnesium Deficient Rat.. Experimental Biology and Medicine. 123(2). 403–408. 10 indexed citations
20.
LIZARRALDE, GERMAN, Alison Jones, Ulysses S. Seal, & John E. Jones. (1966). Goitrous Cretinism with Chromosomal Aberration and Defect in Thyroglobulin Synthesis. The Journal of Clinical Endocrinology & Metabolism. 26(11). 1227–1231. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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