(mj:"chemical safety" or mj:"seguridad quimica" or mj:"segurança quimica" or ti:"chemical safety" OR ti:"seguridad quimica" OR ti:"seguranca quimica" OR (MJ:("Hazardous Substances" OR "Chemical Compounds" OR "Toxicology") TI:(safety or seguranca or seguridad)))
Databases
MEDLINE, LILACS, CDSR - Cochrane Systematic Reviews Database, CENTRAL Controlled Clinical Trials : CENTRAL Controlled Clinical Trials, DARE - Database of Abstracts of Review of Effects, NHS Economic Evaluations Database, HTA - Health Technology Assessment Database, WHOLIS (WHO Library Database), PAHO (PAHO Library Database), All VHL data bases.
