H. V. van Os

Embryonic Length, Crown-Rump Length and Fetal Heart Activity in Early Human Pregnancy Determination by Transvaginal Ultrasound

J. Hermans, H. V. van Os, J. I. Hout, 1993 .

Volumetric behaviour and survival of mouse zygotes and embryos in hyperosmotic media.

H. V. van Os, G. Zeilmaker, 1986, Human reproduction.

Vaginal disinfection with povidon iodine and the outcome of in-vitro fertilization.

R. Leerentveld, H. V. van Os, A. Alberda, 1992, Human reproduction.

The influence of contamination of culture medium with hepatitis B virus on the outcome of in vitro fertilization pregnancies.

W. Fetter, A. Drogendijk, R. Heijtink, 1991, American journal of obstetrics and gynecology.

A prospective randomized clinical trial comparing recombinant follicle stimulating hormone (Puregon) and human menopausal gonadotrophins (Humegon) in non-down-regulated in-vitro fertilization patients.

H. C. Coelingh Bennink, H. Out, H. V. van Os, 1998, Human reproduction.

Absence of hepatitis B virus (HBV) DNA in children born after exposure of their mothers to HBV during in vitro fertilization

W. Fetter, W. Quint, R. Heijtink, 1994, Journal of clinical microbiology.

Immune response to hepatitis B vaccine in pregnant women receiving post-exposure prophylaxis.

W. Fetter, S. Schalm, R. Heijtink, 1993, European journal of obstetrics, gynecology, and reproductive biology.

The influence of the interval between in vitro fertilization and embryo transfer and some other variables on treatment outcome

H. V. van Os, G. Zeilmaker, A. Alberda, 1989, Fertility and sterility.