Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
Citace podle Chicago (17th ed.)Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Manila: Philippine College of Surgeons.
Citace podle MLA (8th ed.)Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
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