TY  - RPRT
TI  - Blastocyst transfer--a natural evolution.
AU  - D R Meldrum
PY  - 1999
DO  - 10.1016/s0015-0282(99)00254-x
UR  - https://pubmed.ncbi.nlm.nih.gov/10438981/
ID  - 10438981
ER  -