Objects
Jolliffe, David A., Greenberg, Lauren, Martineau, Adrian R., Hooper, Richard L., Griffiths, Christopher J., Camargo Jr, Carlos A., Kerley, Conor P., Jensen, Megan E., Mauger, David, Stelmach, Iwona, Urashima, Mitsuyoshi. Lancet Publishing; 2017. Vitamin D supplementation to prevent asthma exacerbations: a systematic review and meta-analysis of individual participant data.