Observational versus randomised trial evidence.
Debbie A Lawlor;
George Davey Smith;
K Richard Bruckdorfer;
Devi Kundu;
Shah Ebrahim;
(2004)
Observational versus randomised trial evidence.
Lancet, 364 (9436).
755-.
ISSN 0140-6736
DOI: 10.1016/S0140-6736(04)16926-2
| Item Type | Article |
|---|---|
| Keywords | Antioxidants/*administration & dosage, Ascorbic Acid/*administration & dosage, Cardiovascular Diseases/*prevention & control, *Confounding Factors (Epidemiology), Humans, *Observation, *Randomized Controlled Trials, Research Design, Antioxidants, administration & dosage, Ascorbic Acid, administration & dosage, Cardiovascular Diseases, prevention & control, Confounding Factors (Epidemiology), Humans, Observation, Randomized Controlled Trials, Research Design |
| ISI | 223569600018 |