TY  - RPRT
TI  - Embryos, preembryos, and stem cells.
AU  - Richard Thorne
AU  - C Ward Kischer
PY  - 2002
DO  - 10.1016/s0015-0282(02)04354-6
UR  - https://pubmed.ncbi.nlm.nih.gov/12477555/
ID  - 12477555
ER  -