Pamintuan, A. M. (1999). Researchers find new protein that blocks cancer blood vessels. Philippine Star.
Chicago Style (17. basım) AtıfPamintuan, Ana Marie. "Researchers Find New Protein That Blocks Cancer Blood Vessels." Philippine Star 1999.
MLA (9th ed.) AtıfPamintuan, Ana Marie. "Researchers Find New Protein That Blocks Cancer Blood Vessels." Philippine Star, 1999.
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