Comparison of ovarian function markers in users of hormonal contraceptives during the hormone-free interval and subsequent natural early follicular phases.
van den Berg
M H
MH
Department of Pediatric Oncology/Hematology, VU University Medical Center (VUmc), PO Box 7057, 1007 MB Amsterdam, The Netherlands. mh.vandenberg@vumc.nl
van Dulmen-den Broeder
E
E
Overbeek
A
A
Twisk
J W R
JW
Schats
R
R
van Leeuwen
F E
FE
Kaspers
G J
GJ
Lambalk
C B
CB