Opin vísindi

Fletta eftir efnisorði "Observational studies"

Fletta eftir efnisorði "Observational studies"

Röðun: Raða: Niðurstöður:

  • Icon
    Non-skeletal health effects of vitamin D supplementation: A systematic review on findings from meta-analyses summarizing trial data 
    Rejnmark, Lars; Bislev, Lise Sofie; Cashman, Kevin D.; Eiríksdóttir, Guðný; Gaksch, Martin; Grübler, Martin; Grimnes, Guri; Gudnason, Vilmundur; Lips, Paul; Pilz, Stefan; van Schoor, Natasja M.; Kiely, Mairead; Jorde, Rolf (Public Library of Science (PLoS), 2017-07-07)
    Background A large number of observational studies have reported harmful effects of low 25-hydroxyvitamin D (25OHD) levels on non-skeletal outcomes. We performed a systematic quantitative review on characteristics of randomized clinical trials (RCTs) ...