TY  - GEN
AU  - BERNSTEIN,M E
TI  - Parental age and sex ratio
SN  - 0036-8075
PY  - 2003///0501
KW  - Humans
KW  - Parents
KW  - Sex Characteristics
KW  - Sex Ratio
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1126/science.118.3068.448-a
ER  -