TY  - JOUR 
T1  - Rationale for the study of the human sex ratio in population studies of polluted environments
JO  - Cadernos de Saúde Pública
A1  - Jarrell, John
SN  - 0102-311X
UL  - 10.1590/S0102-311X2002000200007
VL  - 18 
Y1  - 2002
PB  - Brasil 
ER  -