Sy, G. S. (2008). Hematuria. IN Life extension [column]. Manila Bulletin.
Cita Chicago (17th ed.)Sy, Gary S. "Hematuria. IN Life Extension [column]." Manila Bulletin 2008.
Cita MLA (9th ed.)Sy, Gary S. "Hematuria. IN Life Extension [column]." Manila Bulletin, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.