de Gier, BNic Lochlainn, LMde Melker, HEHahne, SJM2020-08-272020-08-272020-04-0610.1016/S1473-3099(20)30135-3http://hdl.handle.net/10029/624218enMeasles vaccination in infants younger than 9 months.ArticleLancet Infect Dis 2020; 20(4):403