Cheng, P. A. (2011). The basics of hypertension. HealthToday Philippines.
Chicago Style (17. basım) AtıfCheng, Patricia Agunod. "The Basics of Hypertension." HealthToday Philippines 2011.
MLA (9th ed.) AtıfCheng, Patricia Agunod. "The Basics of Hypertension." HealthToday Philippines, 2011.
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