Observational versus randomised trial evidence.
Khaw
Kay-Tee
KT
Day
Nick
N
Bingham
Sheila
S
Wareham
Nick
N
D000886:Anthropometry; D000975:Antioxidants / Q000008:administration & dosage* / Q000378:metabolism; D001205:Ascorbic Acid / Q000008:administration & dosage* / Q000097:blood; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D015986:Confounding Factors, Epidemiologic; D004032:Diet; D005260:Female; D006801:Humans; D008297:Male; D019370:Observation; D016032:Randomized Controlled Trials as Topic; D012959:Socioeconomic Factors
D000975:Antioxidants; D001205:Ascorbic Acid