TY  - GEN
AU  - Germanier,R
AU  - Levine,M M
TI  - The live oral typhoid vaccine Ty21a: recent field trial results
SN  - 0003-472X
PY  - 1988///0309
KW  - Administration, Oral
KW  - Child
KW  - Chile
KW  - Clinical Trials as Topic
KW  - Double-Blind Method
KW  - Egypt
KW  - Humans
KW  - Random Allocation
KW  - Typhoid Fever
KW  - prevention & control
KW  - Typhoid-Paratyphoid Vaccines
KW  - Vaccines, Attenuated
N1  - Publication Type: Clinical Trial; Journal Article
ER  -