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$ = wild card or shortening e.g. american journal of tropical$ = american journal of tropical medicine and hygiene Search words can be combined by operators ("and", "or" and "and not") . The database can be searched by Journal name and Volume american journal of tropical medicine and hygiene and v.64 american journal of tropical$ and v.64 american and tropical and hygiene and v.32 am j trop$ and v.28 am j trop med hyg and v.28 am and trop and hyg and v.28 Journal name and Year american journal of tropical$ and 2002 american and tropical and hygiene and (1999 or 2000) am j trop med hyg and 196$ |