TY - BOOK AU - US DEPARTMENT OF, HEALTH AND HUMAN SERVICES ED - U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES TI - NIOSH POCKET GUIDE TO CHEMICAL HAZARDS U1 - 540 PY - 1997/// CY - Estados Unidos PB - HEALTH SERVICE CENTERS KW - FORMULAS DE INDUSTRIAS QUIMICAS KW - GUIA N1 - ENCUADERNADO ER -