TY  - GEN
AU  - Gocze,P M
AU  - Porpaczy,Z
TI  - Effect of smoking on early pregnancy
SN  - 0140-6736
PY  - 1993///0211
KW  - Abortion, Spontaneous
KW  - epidemiology
KW  - Cotinine
KW  - chemistry
KW  - Female
KW  - Fertilization in Vitro
KW  - Follicular Fluid
KW  - Humans
KW  - Pregnancy
KW  - Smoking
KW  - adverse effects
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1016/0140-6736(93)90103-n
ER  -