TY - GEN AU - Proctor,Nick H. AU - Hughes,James P. AU - Hathaway,Gloria J. AU - Fischman,Michael L. TI - Proctor and Hughes' chemical hazards of the workplace SN - 0442004559 AV - RA1229 PRO 1991 PY - 1991/// CY - New York PB - Van Nostrand Reinhold KW - Industrial toxicology KW - Industrial hygiene N1 - Includes bibliographical references and indexes ER -