title: Twenty years observation on the stability of Salmonella typhi phage types.
mesh_terms: D000956:Antigens, Viral / Q000032:analysis; D001434:Bacteriophage Typing; D002353:Carrier State / Q000382:microbiology*; D002908:Chronic Disease; D005285:Fermentation; D006801:Humans; D006814:Hungary; D012483:Salmonella Phages / Q000276:immunology; D012485:Salmonella typhi / Q000145:classification* / Q000378:metabolism; D013997:Time Factors; D014435:Typhoid Fever / Q000382:microbiology*; D014994:Xylose / Q000378:metabolism
chemical_list: D000956:Antigens, Viral; D014994:Xylose