TY - RPRT TI - Smoking, birth-weight, development, and pollution. AU - R J Hickey AU - R C Clelland AU - E B Harner PY - 1973 DO - 10.1016/s0140-6736(73)90117-7 UR - https://pubmed.ncbi.nlm.nih.gov/4119421/ ID - 4119421 ER -