title: Observations on the use of strain 19 vaccine in the field.
authors.forename: C
authors.initials: C
authors.lastname: Pope
mesh_terms: D000028:Abortion, Induced; D000034:Abortion, Veterinary; D000818:Animals; D003141:Communicable Diseases; D005260:Female; D011247:Pregnancy; D014612:Vaccines
chemical_list: D014612:Vaccines