Ovid Technologies (Firm). National Library of Medicine (U.S.). (1996). HealthStar [computer file]. Ovid Technologies.
Chicago Style (17th ed.) CitationOvid Technologies (Firm). National Library of Medicine (U.S.). HealthStar [computer File]. s.l: Ovid Technologies, 1996.
MLA (9th ed.) CitationOvid Technologies (Firm). National Library of Medicine (U.S.). HealthStar [computer File]. Ovid Technologies, 1996.
Warning: These citations may not always be 100% accurate.