Asian Pacific Congress of Gastroenterology, 4th, Manila, 1972. (1973). Congress programme and advance abstacts. Philippine Society of Gastroenterology.
Chicagoスタイル(17版)引用形式Asian Pacific Congress of Gastroenterology, 4th, Manila, 1972. Congress Programme and Advance Abstacts. Manila: Philippine Society of Gastroenterology, 1973.
MLA(9版)引用形式Asian Pacific Congress of Gastroenterology, 4th, Manila, 1972. Congress Programme and Advance Abstacts. Philippine Society of Gastroenterology, 1973.
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