A seven-year field trial of two typhoid vaccines in Guyana
General Info
Time period covered
January, 1960 - December, 1960
Data type
Scientific literature
Keywords
Citation
Journal
Lancet
Pages
1056-9
Publication year
1967
Suggested citation
Ashcroft MT, Singh B, Nicholson CC, Ritchie JM, Sorryan E, Williams F. A seven-year field trial of two typhoid vaccines in Guyana. Lancet. 1967; 2(7525): 1056-9.