Citace podle APA (7th ed.)
Herrero, R. (1997). DESIGN and methods of a population-based natural history study of cervical neoplasia in a rural province of Costa Rica: The Guanacaste Projet.
Citace podle Chicago (17th ed.)
Herrero, Rolando. DESIGN and Methods of a Population-based Natural History Study of Cervical Neoplasia in a Rural Province of Costa Rica: The Guanacaste Projet. 1997.
Citace podle MLA (9th ed.)
Herrero, Rolando. DESIGN and Methods of a Population-based Natural History Study of Cervical Neoplasia in a Rural Province of Costa Rica: The Guanacaste Projet. 1997.
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