Analisis metilasi DNA pada gen protamin 1 sperma : hubungannya dengan status kromatin serta perkembangan zigot pada program fertilisasi in vitro (FIV) = DNA methylation analysis of sperm prm 1 protamin 1 gene and its correlation with chromatin status and zygote development in vitro fertilization IVF program / Liya Agustin Umar - Liya Agustin Umar, author (2015)