ŽÁKOVÁ, Jana,
Pavel VENTRUBA,
Igor CRHA, Martin PETRENKO and Jitka ŠŤASTNÁ. Does transfer of embryos at the blastocyst stage increase the risk of multiple pregnancy?
Scripta medica. Brno: Lékařská fakulta Masarykovy univerzity, 2000, vol. 73, No 3, p. 195-200. ISSN 1211-3395.