Oral vaccination.
Dougan
G
G
Wellcome Research Laboratories, Beckenham, Kent, UK.
Maskell
D
D
O'Callaghan
D
D
Chatfield
S
S
Charles
I
I
Hormaeche
C
C
D000284:Administration, Oral; D000818:Animals; D001428:Bacterial Vaccines / Q000008:administration & dosage*; D006801:Humans; D014611:Vaccination; D014613:Vaccines, Attenuated / Q000008:administration & dosage; D015164:Vaccines, Inactivated / Q000008:administration & dosage
D001428:Bacterial Vaccines; D014613:Vaccines, Attenuated; D015164:Vaccines, Inactivated