Heller, L. (1981). Emergencies in ginecology and obstretrics. Year Book Medical.
Lua i Stíl Chicago (17ú heag.)Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.
Lua MLA (9ú heag.)Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.
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