TY  - GEN
TI  - New sources of sex cells
SN  - 1476-4687
PY  - 2008///0611
KW  - Embryo Research
KW  - ethics
KW  - Female
KW  - Humans
KW  - Male
KW  - Ovum
KW  - cytology
KW  - Pluripotent Stem Cells
KW  - Pregnancy
KW  - Skin
KW  - Spermatozoa
N1  - Publication Type: Editorial
UR  - https://doi.org/10.1038/452913a
ER  -