Nejstgaard, Camilla H ; Bero, Lisa ; Hróbjartsson, Asbjørn... Nejstgaard , C H , Bero , L , Hróbjartsson , A , Jørgensen , A W , Jørgensen , K J , Le , M & Lundh , A 2020 , ' Association between conflicts of interest and favourable recommendations in clinical guidelines, advisory committee reports, opinion pieces, and narrative reviews : Systematic review ' , BMJ , vol. 371 , m4234 . https://doi.org/10.1136/bmj.m4234.
,
2020