Comparative Efficacy of Two, Three, or Four Doses of TY21a Live Oral Typhoid Vaccine in Enteric-Coated Capsules: A Field Trial in an Endemic Area
- 1 April 1989
- journal article
- clinical trial
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 159 (4) , 766-769
- https://doi.org/10.1093/infdis/159.4.766