TY - GEN AU - Hickey,R AU - Clelland,R C AU - Boyce,D E TI - Letter: Aryl hydrocarbons, smoking and lung cancer SN - 0028-4793 PY - 1974///0328 KW - Air Pollution KW - analysis KW - Environmental Exposure KW - Humans KW - Lung Neoplasms KW - chemically induced KW - Polycyclic Compounds KW - Smoking KW - complications N1 - Publication Type: Journal Article UR - https://doi.org/10.1056/nejm197403072901028 ER -