(ti:malaria or mj:c03.752.530$ or "plasmodium falciparum" or antimalari$ or ti:paludismo or ti:maleita or ti:"febre malarica" or "Vacunas contra la Malaria" or "vacinas antimalaricas" or "Malaria Vaccines") (amazon$ or mh:"ecossistema amazonico")
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.