TY  - RPRT
TI  - A prospective, randomized study: day 3 versus hatching blastocyst stage.
AU  - Takafumi Utsunomiya
AU  - Hiroko Ito
AU  - Miyuki Nagaki
AU  - Junko Sato
PY  - 2004
DO  - 10.1093/humrep/deh288
UR  - https://pubmed.ncbi.nlm.nih.gov/15142997/
ID  - 15142997
ER  -