Double-blind randomised controlled trial of vitamin D3 supplementation for the prevention of acute respiratory infection in older adults and their carers (ViDiFlu)
Adrian R Martineau, Yasmeen Hanifa, Karolina D Witt, Neil C Barnes, Richard L Hooper, Mital Patel, Natasha Stevens, Zinat Enayat, Zuhur Balayah, Asmat Syed, Aishah Knight, David A Jolliffe, Claire L Greiller, David McLaughlin, Timothy R Venton, Marion Rowe, Peter M Timms, Duncan Clark, Zia Sadique, Sandra M Eldridge, Christopher J Griffiths
Thorax Oct 2015, 70 (10) 953-960; DOI: 10.1136/thoraxjnl-2015-206996