Ramstedt, Kristina
An epidemiological approach to Sexually Transmitted Diseases - with special reference to contact tracing and screening / Kristina Ramstedt. -- Stockholm : Almqvist & Wiksell, 1991. -- 45 s. -- (Acta Dermato-Venereologica ; Suppl. 157)

1. choroby sexuálne prenosné - epidemiológia 2. faktory sociálno-ekonomické

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