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Endoscopy|August 1, 1994
Does color vision deficiency in the endoscopist influence the accuracy of endoscopic diagnosis? An anonymous study with Dutch gastrointestinal endoscopistsJ C Koningsberger, D van Norren, J C van Niel, et al.Clinica Chimica Acta; International Journal of Clinical Chemistry|March 15, 1977
A study on the dimeric structure of creatine kinase (EC 2.7.3.2)R A Wevers, H P Olthuis, J C Van Niel, et al.Journal of the American Academy of Dermatology|June 1, 1997
Ranitidine does not affect psoriasis: a multicenter, double-blind, placebo-controlled studyI M Zonneveld, M M Meinardi, T Karlsmark, et al.Pageof 1