Yang, Y M [Ras genes and pancreatic neoplasms]. [electronic resource] - Zhonghua yi xue za zhi Jun 1994 - 386-8 p. digital Publication Type: Journal Article; Review ISSN: 0376-2491 Subjects--Topical Terms: Genes, ras--geneticsHumansPancreatic Neoplasms--geneticsPoint Mutation