Vannoyen, R., Vandepitte, J., & Wauters, G. (1980). Nonvalue of Cold Enrichment of Stools for Isolation of Yersinia-enterocolitica Serotypes 3 and 9 From Patients. Journal of Clinical Microbiology, 11(2), 127-131. https://hdl.handle.net/2078.5/42873 (Original work published 1980)