APA

Schwartz-Bickenbach D., Schulte-Hobein B., Abt S., Plum C. & Nau H. (19870318). Smoking and passive smoking during pregnancy and early infancy: effects on birth weight, lactation period, and cotinine concentrations in mother's milk and infant's urine. : Toxicology letters.

Chicago

Schwartz-Bickenbach D, Schulte-Hobein B, Abt S, Plum C and Nau H. 19870318. Smoking and passive smoking during pregnancy and early infancy: effects on birth weight, lactation period, and cotinine concentrations in mother's milk and infant's urine. : Toxicology letters.

Harvard

Schwartz-Bickenbach D., Schulte-Hobein B., Abt S., Plum C. and Nau H. (19870318). Smoking and passive smoking during pregnancy and early infancy: effects on birth weight, lactation period, and cotinine concentrations in mother's milk and infant's urine. : Toxicology letters.

MLA

Schwartz-Bickenbach D, Schulte-Hobein B, Abt S, Plum C and Nau H. Smoking and passive smoking during pregnancy and early infancy: effects on birth weight, lactation period, and cotinine concentrations in mother's milk and infant's urine. : Toxicology letters. 19870318.