Jonathan Middle

Challenges and improvements in testosterone and estradiol testing

Adrenocortical dysfunction in liver disease: A systematic review

Association of glycaemia with macrovascular and microvascular complications of type 2 diabetes (UKPDS 35): prospective observational study

Diagnosis and Treatment of Primary Adrenal Insufficiency: An Endocrine Society Clinical Practice Guideline

Standardization of testosterone measurements in humans

Biochemical and Physiological Aspects of Endogenous Androgens

New Equations to Estimate GFR in Children with CKD

Validation of candidate reference methods based on ion chromatography for determination of total sodium, potassium, calcium and magnesium in serum through comparison with flame atomic emission and absorption spectrometry

Glycemic Control With Diet, Sulfonylurea, Metformin, or Insulin in Patients With Type 2 Diabetes Mellitus<SUBTITLE>Progressive Requirement for Multiple Therapies (UKPDS 49)</SUBTITLE>

Novel liquid chromatography tandem mass spectrometry (LC-MS/MS) methods for measuring steroids

The Androgen Excess and PCOS Society criteria for the polycystic ovary syndrome: the complete task force report

Validation of 5 routine assays for serum free testosterone with a candidate reference measurement procedure based on ultrafiltration and isotope dilution–gas chromatography–mass spectrometry

Estimating Pediatric Glomerular Filtration Rates in the Era of Chronic Kidney Disease Staging

Criteria for Defining Polycystic Ovary Syndrome as a Predominantly Hyperandrogenic Syndrome: An Androgen Excess Society Guideline

Physiology of sweat gland function: The roles of sweating and sweat composition in human health

Approach to maintaining comparability of biochemical data during long-term clinical trials.

Analytical error and interference in immunoassay: minimizing risk

Adverse Health Consequences of Performance-Enhancing Drugs: An Endocrine Society Scientific Statement

Endocrine Treatment of Gender-Dysphoric/Gender-Incongruent Persons: An Endocrine Society* Clinical Practice Guideline

Insulin Resistance and the Polycystic Ovary Syndrome Revisited: An Update on Mechanisms and Implications

Guidelines for the management of thyroid cancer

Management of adrenal incidentalomas: European Society of Endocrinology Clinical Practice Guideline in collaboration with the European Network for the Study of Adrenal Tumors

EASL Clinical Practice Guidelines for the management of patients with decompensated cirrhosis

Evaluation of a Candidate Reference Measurement Procedure for Serum Free Testosterone Based on Ultrafiltration and Isotope Dilution–Gas Chromatography–Mass Spectrometry

Determining the utility of the 60 min cortisol measurement in the short synacthen test

Analytical specifications of reference methods compilation and critical discussion.

Analytical qualtity specifications for reference methods and operating specifications for networks of reference laboratories. Recommendations of the European EQA-Organizers Working Group B

Measurement of serum testosterone in women; what should we do?

National UK audit of the Short Synacthen^® Test

Dehydroepiandrostenedione sulphate interferes in many direct immunoassays for testosterone

Analytical quality specifications for reference methods and operating specifications for networks of reference laboratories. discussion paper from the members of the external quality assessment (EQA) Working Group B1) on target values in EQAS.

Oestradiol assays: fitness for purpose?