Katigbak, A. F. (2005). Osteoarthritis and rheumatoid arthritis, are they the same?. IN Painformation [column]. Philippine Star.
Chicago Style (17th ed.) CitationKatigbak, Antonio F. "Osteoarthritis and Rheumatoid Arthritis, Are They the Same?. IN Painformation [column]." Philippine Star 2005.
MLA (9th ed.) CitationKatigbak, Antonio F. "Osteoarthritis and Rheumatoid Arthritis, Are They the Same?. IN Painformation [column]." Philippine Star, 2005.
Warning: These citations may not always be 100% accurate.