E. Ludwig

1.1k total citations · 1 hit paper
18 papers, 700 citations indexed

About

E. Ludwig is a scholar working on Dermatology, Urology and Epidemiology. According to data from OpenAlex, E. Ludwig has authored 18 papers receiving a total of 700 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Dermatology, 6 papers in Urology and 3 papers in Epidemiology. Recurrent topics in E. Ludwig's work include Hair Growth and Disorders (6 papers), Dermatology and Skin Diseases (4 papers) and Nail Diseases and Treatments (3 papers). E. Ludwig is often cited by papers focused on Hair Growth and Disorders (6 papers), Dermatology and Skin Diseases (4 papers) and Nail Diseases and Treatments (3 papers). E. Ludwig collaborates with scholars based in Germany, Switzerland and United States. E. Ludwig's co-authors include R. Richterich, J. Tamm, James M. Denegre, Kimberly L. Mowry, J. J. Herzberg, Klaus‐Dieter Voigt, M. Apostolakis, Kai‐Ingo Voigt and H.U. Graber and has published in prestigious journals such as Developmental Biology, Journal of Investigative Dermatology and British Journal of Dermatology.

In The Last Decade

E. Ludwig

16 papers receiving 632 citations

Hit Papers

align trajectories

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.

Classification of the types of androgenetic alopecia (common baldness) occurring in the female sex

1977 570 citations E. Ludwig British Journal of Dermatology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
E. Ludwig Germany	8	513	325	152	98	72	18	700
Frank Dunlap United States	8	409 0.8×	427 1.3×	117 0.8×	12 0.1×	29 0.4×	8	637
Stylianos Voudouris Italy	8	153 0.3×	134 0.4×	55 0.4×	11 0.1×	18 0.3×	10	255
Deepani Rathnayake Australia	6	274 0.5×	183 0.6×	55 0.4×	9 0.1×	40 0.6×	8	376
Cenk Akçalı Türkiye	13	127 0.2×	209 0.6×	82 0.5×	19 0.2×	57 0.8×	21	462
Crystal Aguh United States	14	213 0.4×	304 0.9×	57 0.4×	8 0.1×	41 0.6×	46	517
Shannon Harrison United States	9	140 0.3×	132 0.4×	24 0.2×	33 0.3×	41 0.6×	13	295
Dustin H. Marks United States	12	234 0.5×	221 0.7×	31 0.2×	12 0.1×	41 0.6×	29	390
Bryan Ho United States	6	102 0.2×	65 0.2×	37 0.2×	83 0.8×	128 1.8×	6	280
G.E. Piérard Belgium	10	57 0.1×	163 0.5×	66 0.4×	4 0.0×	46 0.6×	16	368
S. Jabara United States	8	25 0.0×	133 0.4×	49 0.3×	104 1.1×	65 0.9×	12	397

Countries citing papers authored by E. Ludwig

Since Specialization

Citations

This map shows the geographic impact of E. Ludwig'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 E. Ludwig with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites E. Ludwig more than expected).

Fields of papers citing papers by E. Ludwig

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by E. Ludwig. 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 E. Ludwig. The network helps show where E. Ludwig may publish in the future.

Co-authorship network of co-authors of E. Ludwig

This figure shows the co-authorship network connecting the top 25 collaborators of E. Ludwig. A scholar is included among the top collaborators of E. Ludwig 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 E. Ludwig. E. Ludwig is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

1.

Denegre, James M., E. Ludwig, & Kimberly L. Mowry. (1997). Localized Maternal Proteins inXenopusRevealed by Subtractive Immunization. Developmental Biology. 192(2). 446–454. 15 indexed citations

2.

Ludwig, E.. (1987). [Pili canaliculi, a form of uncombable hair].. PubMed. 38(12). 727–32. 3 indexed citations

3.

Tamm, J., et al.. (1982). The effect of the antiandrogen IIα-hydroxyprogesterone on sebum production and cholesterol concentration of sebum. British Journal of Dermatology. 107(1). 63–70. 20 indexed citations

4.

Ludwig, E.. (1982). [Allergens responsible for occupational eczemas in hairdressers].. PubMed. 30(5). 159–62. 1 indexed citations

5.

Graber, H.U., et al.. (1981). [Azlocillin and mezlocillin. New penicillins and their value].. PubMed. 122(13). 749–56. 1 indexed citations

6.

Ludwig, E.. (1977). Classification of the types of androgenetic alopecia (common baldness) occurring in the female sex. British Journal of Dermatology. 97(3). 247–254. 570 indexed citations breakdown →

7.

Ludwig, E., et al.. (1977). Sensitivity to isopropyl alcohol. Contact Dermatitis. 3(5). 240–244. 17 indexed citations

8.

Ludwig, E., et al.. (1975). [Studies on the interaction of nalidixic acid and oxolinic acid].. PubMed. 116(50). 2947–8. 1 indexed citations

9.

Tamm, J., et al.. (1970). THE EFFECT OF ORALLY ADMINISTERED CYPROTERONE ON THE SEBUM PRODUCTION IN HUMAN SUBJECTS. European Journal of Endocrinology. 63(1). 50–58. 4 indexed citations

10.

Ludwig, E.. (1967). Removal of Intact Hair Papilla and Connective Tissue Sheath by Plucking Anagen Hairs**From the Department of Dermatology of the University of Hamburg, Germany.. Journal of Investigative Dermatology. 48(6). 595–597. 5 indexed citations

11.

Apostolakis, M., E. Ludwig, & Klaus‐Dieter Voigt. (1965). Testosteron-, Oestrogen- und Gonadotropinausscheidung bei diffuser weiblicher Alopecie. Journal of Molecular Medicine. 43(1). 9–15. 7 indexed citations

12.

Herzberg, J. J., et al.. (1964). Die Dynamik des Haarausfalls bei Thallium-Vergiftung. Archives of Dermatological Research. 218(4). 396–414. 16 indexed citations

13.

Ludwig, E.. (1962). [The current status of our knowledge on baldness].. PubMed. 13. 337–9. 4 indexed citations

14.

Ludwig, E.. (1961). [Pathognomonic hair findings in thallium poisoning and their significance].. PubMed. 12. 456–9. 8 indexed citations

15.

Ludwig, E.. (1956). [Erythema chronicum migrans in the early stage of acrodermatitis chronica atrophicans Herxheimer].. PubMed. 7(1). 41–2. 3 indexed citations

16.

Ludwig, E.. (1955). [Successful aureomycin- and terramycin treatment as a contribution to the clarification of the action mechanism of penicillin in acrodermatitis atrophicans Herxheimer].. PubMed. 131(8). 170–8. 1 indexed citations

17.

Ludwig, E. & R. Richterich. (1954). MORPHOLOGISCHE UND HISTOCHEMISCHE UNTERSUCHUNGEN AM STÄBCHENSAUM DER DARMEPITHELZELLE. Cells Tissues Organs. 21(2). 168–196. 13 indexed citations

18.

Ludwig, E.. (1953). Hypotrichosis congenita hereditaria Typ M. Unna. PubMed. 196(3). 261–278. 11 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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