(1964). A controlled field trial of acetone-dried and inactivated and heat-phenol-inactivated typhoid vaccines in British Guiana: Report.
Chicago-stil citatA Controlled Field Trial of Acetone-dried and Inactivated and Heat-phenol-inactivated Typhoid Vaccines in British Guiana: Report. 1964.
MLA-referensA Controlled Field Trial of Acetone-dried and Inactivated and Heat-phenol-inactivated Typhoid Vaccines in British Guiana: Report. 1964.
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