@prefix rdfs: .
@prefix foaf: .
@prefix owl: .
@prefix vocabProperty: .
@prefix drugbank: .
@prefix dbpedia: .
@prefix map: .
@prefix rdf: .
@prefix trc: .
8813spc+WAFACS, 2008spc+NCT00000541 trc:studiedTreatment "folic acid 2.5mg, vitamin B6 50mg, and vitamin B12 1mg daily"; 2721 2721 Parallel groups jun 1995 - oct 1996 double blind 7.3 y cardiovascular eventsyes 5 US Superiority NCT00000541 1 cardiovascular prevention plasma homocysteine lowering intervention all type of patients cardiovascular prevention plasma homocysteine lowering intervention All type of patient