TY  - GEN
AU  - McLaren,Anne
TI  - Free-range eggs?
SN  - 1095-9203
PY  - 2007///0507
KW  - Animals
KW  - Cell Line
KW  - Embryo Research
KW  - Embryonic Stem Cells
KW  - cytology
KW  - Female
KW  - Humans
KW  - Male
KW  - Mice
KW  - Nuclear Transfer Techniques
KW  - Oocyte Donation
KW  - ethics
KW  - Ovum
KW  - Spermatozoa
N1  - Publication Type: Editorial
UR  - https://doi.org/10.1126/science.1142267
ER  -