MK, AkmatovKretzschmar, MrivmA, KramerMikolajczyk, RT2025-03-192025-03-1920081856562610.1016/j.vaccine.2008.05.031https://rivm.openrepository.com/handle/10029/643268Timeliness of vaccination and its effects on fraction of vaccinated populationArticleVaccine 2008; 26(31):3805-112025-03-19