TY - BOOK AU - Cone, James E. TI - Occupational medicine secrets T2 - Secrets series SN - 9748279472 PY - 1999/// CY - Philadelphia PB - Hanley & Belfus KW - Hazardous Substances KW - adverse effects KW - Occupational Diseases KW - prevention & control KW - Occupational Medicine KW - methods KW - Examination Questions N1 - Includes bibliographical references and index ER -