title: The geographical distribution of Salmonella typhi and Salmonella paratyphi A and B phage types during the period 1 January 1966 to 31 December 1969.
mesh_terms: D000349:Africa; D001208:Asia; D001315:Australia; D001434:Bacteriophage Typing; D005060:Europe; D007391:International Cooperation; D009656:North America; D010284:Paratyphoid Fever / Q000453:epidemiology; D012483:Salmonella Phages; D012482:Salmonella paratyphi A / Q000145:classification*; D012485:Salmonella typhi / Q000145:classification*; D014435:Typhoid Fever / Q000453:epidemiology