R J van den Berg

Physiological and Pathological Influences on Serum Monoamine Oxidase Level: Effect of Age, Sex, Contraceptive Steroids and Diabetes Mellitus

Nils Tryding, S. Nilsson, G. Tufvesson et al. · Scandinavian Journal of Clinical and Laboratory Investigation · 1969 · 62 citations

Geriatric Endocrinology, Metabolic Syndrome, Contraceptive Steroids +15

Inaccurate measurement of 17 beta-estradiol in serum of female volunteers after oral administration of milligram amounts of micronized 17 beta-estradiol

Chris M.G. Thomas, R J van den Berg, M F Segers et al. · Clinical Chemistry · 1993 · 22 citations

Reproductive Sciences, Hormonal Contraceptive, Fertility +21

Measurement of serum estradiol: comparison of three "direct" radioimmunoassays and effects of organic solvent extraction.

Chris M.G. Thomas, R J van den Berg, M F Segers · Clinical Chemistry · 1987 · 21 citations · Full text

Gynecology, Female Reproductive Function, Dermatology +21

Radioimmunoassays for prostaglandins. I. Technical validation of prostaglandin F2α measurements in human plasma using Sephadex G-25 gelfiltration

Chris M.G. Thomas, R J van den Berg, H.J. de Koning Gans et al. · Prostaglandins · 1978 · 20 citations

Urology, Medicine, Immunology +6

Radioimmunoassays for prostaglandins. II. Measurement of prostaglandin E2 and the 13,14-dihydro-15-keto metabolites of the E and F series. Description of a reliable technique with a universal applicability

Chris M.G. Thomas, R J van den Berg, H.J. de Koning Gans et al. · Prostaglandins · 1978 · 19 citations

Prostaglandin E2, F Series, Allergy +10