Birth defects and periconception smoking REPLY

Perry, MF; DeFranco, EA

DeFranco, EA (corresponding author), Univ Cincinnati, Coll Med, Dept Obstet & Gynecol, Div Maternal Fetal Med, Med Sci Bldg,Room 4407,231 Albert Sabin Way, Cincinnati, OH 45267 USA.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2020; 223 (4): 611