Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
Chicago-viite (17. p.)Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Manila: Philippine College of Surgeons.
MLA-viite (8. p.)Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
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