Sy, G. S. (2012). Breast cancer. IN Life extension [column]. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sy, Gary S. "Breast Cancer. IN Life Extension [column]." Manila Bulletin 2012.
MLA(9版)引用形式Sy, Gary S. "Breast Cancer. IN Life Extension [column]." Manila Bulletin, 2012.
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