The in vitro fertilization and embryo transfer program at the First Women's Hospital "T. Kirkova," Sofia, Bulgaria.
Vatev
I
I
Fitchev
P
P
Tabakova
P
P
Dimitrov
M
M
Yanakieva
T
T
Yordanov
V
V
Vakrilov
G
G
D002031:Bulgaria; D004624:Embryo Transfer; D005307:Fertilization in Vitro; D006801:Humans