Volume 1(2); June 2006 Essay Research Articles Effect of Folic Acid and Betaine Supplementation on Flow-Mediated Dilation: A Randomized, Controlled Study in Healthy Volunteers PMCID: PMC1488898 Secondary Outcomes of a Pilot Randomized Trial of Azithromycin Treatment for Asthma PMCID: PMC1488900 Genetic Polymorphisms and Weight Loss in Obesity: A Randomised Trial of Hypo-Energetic High- versus Low-Fat Diets PMCID: PMC1488899 | ||