17α-Hydroxyprogesterone caproate versus intravaginal progesterone in IVF–embryo transfer cycles: a prospective randomized study
Reproductive BioMedicine Online (2004) - Comments
doi: 10.1016/s1472-6483(10)62104-9  issn: 1472-6483  pubmed: 15257811 

Vittorio Unfer, Maria Luisa Casini, Loredana Costabile, Sandro Gerli, Domenico Baldini, GC Di Renzo