A Klopper

Concentration of pregnancy-associated plasma protein A (PAPP-A) in patients with pre-eclamptic toxaemia.

K Toop, A Klopper · PubMed · 1981 · 26 citations

Hypertension, Reproductive Health, Gynecology +17

THE EXCRETION OF URINARY PREGNANEDIOL AFTER THE ADMINISTRATION OF PROGESTERONE

A Klopper, Eileen A. Michie · Journal of Endocrinology · 1956 · 22 citations

Hormonal Contraceptive, Fertility, Reproductive Health +17

Variability of fetoplacental steroids in maternal plasma in late pregnancy.

A Klopper, Shaaban Mm · PubMed · 1974 · 19 citations

Placental Development, Gynecology, Pregnancy +10

FDG-PET and MIBI-Tc SPECT as follow-up tools in a patient with cardiac sarcoidosis requiring a pacemaker.

Jan‐Peter Smedema, Laura F. White, A Klopper · PubMed · 2009 · 13 citations

Heart Failure, Recent-onset Symptoms, Diagnosis +17

Hormonal factors in fertility infertility and contraception.

van der Molen Hj, A Klopper, Bruno Lunenfeld et al. · 1982 · 12 citations

Infertility, Hormonal Contraceptive, Fertility +12