TY  - GEN
AU  - Sathananthan,A H
AU  - Ratnam,S S
AU  - Trounson,A O
AU  - Edwards,R G
TI  - Early human development
SN  - 1355-4786
PY  - 1999///0713
KW  - Embryonic and Fetal Development
KW  - Fertilization in Vitro
KW  - Humans
KW  - Retrospective Studies
KW  - Videotape Recording
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1093/humupd/5.1.89
ER  -