TY - JOUR KW - Bacterial Infections KW - Congenital Abnormalities KW - Female KW - History, 19th Century KW - History, 20th Century KW - Humans KW - Hygiene KW - Infant KW - Infant Mortality KW - Infant, Newborn KW - leprosy KW - Neural Tube Defects KW - Pregnancy KW - Puerperal Infection KW - Tuberculosis, Pulmonary KW - United States AU - Warkany J BT - Teratology C1 - http://www.ncbi.nlm.nih.gov/pubmed/7022733?dopt=Abstract DA - 1981 Apr DO - 10.1002/tera.1420230203 IS - 2 J2 - Teratology LA - eng PY - 1981 SP - 175 EP - 89 T2 - Teratology TI - Prevention of congenital malformations. VL - 23 SN - 0040-3709 ER -