M. A. Timmerman

Differential Inhibition of 17α-Hydroxylase and 17,20-Lyase Activities by Three Novel Missense CYP17 Mutations Identified in Patients with P450c17 Deficiency

Erica L. T. van den Akker, Jan W. Koper, Annemie L. M. Boehmer et al. · The Journal of Clinical Endocrinology & Metabolism · 2002 · 124 citations · Full text

Isolated 17,20-Lyase Deficiency due to the Cytochrome b5 Mutation W27X

R. Kok, M. A. Timmerman, Katja P. Wolffenbuttel et al. · The Journal of Clinical Endocrinology & Metabolism · 2010 · 108 citations · Full text

Inhibin Interferes with Activin Signaling at the Level of the Activin Receptor Complex in Chinese Hamster Ovary Cells¹

John W.M. Martens, Johan P. de Winter, M. A. Timmerman et al. · Endocrinology · 1997 · 100 citations · Full text

Peritubular myoid cells from immature rat testes secrete activin-A and express activin receptor type II in vitro.

Peter de Winter, Hugo Vanderstichele, Guido Verhoeven et al. · Endocrinology · 1994 · 67 citations

Secrete Activin-a, Developmental Biology, Hormonal Receptor +15

Inhibin and activin-like activity in fluids from male and female gonads: different molecular weight forms and bioactivity/immunoactivity ratios

A.J. Grootenhuis, Jacobie Steenbergen, M. A. Timmerman et al. · Journal of Endocrinology · 1989 · 53 citations

Fertility, Bioactivity/immunoactivity Ratios, Activin-like Activity +21