[Cholera: vaccines present and future].
Ivanoff
B
B
D022121:Cholera Vaccines; D006801:Humans; D014613:Vaccines, Attenuated; D015164:Vaccines, Inactivated; D014744:Vietnam
D022121:Cholera Vaccines; D014613:Vaccines, Attenuated; D015164:Vaccines, Inactivated