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Van Teunenbroek A, De Waal W, Roks A, Chinafo P, Fokker M, Mulder P, De Muinck Keizer-Schrama S, Drop S.Van Teunenbroek A, et al. Among authors: fokker m.Pediatr Res. 1996 Feb;39(2):360-7. doi: 10.1203/00006450-199602000-00028.Pediatr Res. 1996.PMID: 8825813
Poldermans M, Fokker M.Poldermans M, et al. Among authors: fokker m.Tijdschr Diergeneeskd. 2008 Sep 15;133(18):770-1.Tijdschr Diergeneeskd. 2008.PMID: 18833733Dutch.No abstract available.