Katigbak, A. F. (2003). New LIFE sub-study shows: Losartan lowers risk of developing atrial fibrillation among hypertensives. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKatigbak, Antonio F. "New LIFE Sub-study Shows: Losartan Lowers Risk of Developing Atrial Fibrillation Among Hypertensives." Philippine Star 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKatigbak, Antonio F. "New LIFE Sub-study Shows: Losartan Lowers Risk of Developing Atrial Fibrillation Among Hypertensives." Philippine Star, 2003.
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