Castillo, R. (2003). Doctors unite in fight against atherosclerosis. Philippine Daily Inquirer.
Chicago-viite (17. p.)Castillo, Rafael. "Doctors Unite in Fight Against Atherosclerosis." Philippine Daily Inquirer 2003.
MLA-viite (9. p.)Castillo, Rafael. "Doctors Unite in Fight Against Atherosclerosis." Philippine Daily Inquirer, 2003.
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