A randomised controlled trial of supplemental oxygen versus medical air during exercise training in people with chronic obstructive pulmonary disease: Supplemental oxygen in pulmonary rehabilitation trial (SuppORT) (Protocol)

Prevention of exacerbations in patients with COPD and vitamin D deficiency through vitamin D supplementation (PRECOVID): A study protocol

9 p | 10 | 2

Efficacy and safety of hepcidin-based screen-and-treat approaches using two different doses versus a standard universal approach of iron supplementation in young children in rural Gambia: A double-blind randomised controlled trial

9 p | 39 | 1

The effect of neonatal vitamin A supplementation on growth in the first year of life among low-birth-weight infants in Guinea-Bissau: Two by two factorial randomised controlled trial

8 p | 11 | 1

The effect of pre-diagnostic vitamin D supplementation on cancer survival in women: A cohort study within the UK Clinical Practice Research Datalink

7 p | 9 | 0