Opstelten, Wvan Steenbergen, JErivmvan Essen, GAvan der Sande, MABrivm2025-03-192025-03-1920091919230410.1186/1471-2296-10-11https://rivm.openrepository.com/handle/10029/644048Threat of an influenza pandemic: family physicians in the front lineArticleBMC Family Practice 2009; 10:112025-03-19