A.H. Willemse

Transvaginal ultrasound guided follicular aspiration of bovine oocytes

M.C. Pieterse, P.L.A.M. Vos, Th.A.M. Kruip et al. · Theriogenology · 1991 · 198 citations

Veterinary Medicine, Gynecology, Obstetrics +16

Early pregnancy diagnosis in cattle by means of linear-array real-time ultrasound scanning of the uterus and a qualitative and quantitative milk progesterone test

M.C. Pieterse, O. Szenci, A.H. Willemse et al. · Theriogenology · 1990 · 114 citations

Medicine, Animal Sciences, Dairy Science +14

Transvaginal ultrasound guided follicular aspiration of bovine oocytes

M.C. Pieterse, P.L.A.M. Vos, Th.A.M. Kruip et al. · Theriogenology · 1991 · 112 citations

Veterinary Medicine, Gynecology, Obstetrics +16

Evaluation of optimal age at first conception in gilts from data collected in commercial swine herds1

Y.H. Schukken, J. Buurman, R.B.M. Huirne et al. · Journal of Animal Science · 1994 · 99 citations

Agriculture, Agricultural Economics, Animal Sciences +16

Evidence for prolactin as the main luteotrophic factor in the cyclic dog

A.C. Okkens, M.M. Bevers, S.J. Dieleman et al. · Veterinary Quarterly · 1990 · 88 citations · Full text

Medicine, Endocrinology, Physiology +17