Rumanian contributions to the study of per oral antityphoid vaccination.
D000293:Adolescent; D000328:Adult; D000818:Animals; D002675:Child, Preschool; D006801:Humans; D007115:Immunization Schedule; D051379:Mice; D008875:Middle Aged; D012383:Romania; D014436:Typhoid-Paratyphoid Vaccines / Q000627:therapeutic use*; D014611:Vaccination
D014436:Typhoid-Paratyphoid Vaccines