Chante, C. C. (2001). Endosonography can be useful for diagnosing biliary obstruction. IN Your dose of medicine [column]. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Chante, Charles C. "Endosonography Can Be Useful for Diagnosing Biliary Obstruction. IN Your Dose of Medicine [column]." Philippine Star 2001.
Lua MLA (9ú heag.)Chante, Charles C. "Endosonography Can Be Useful for Diagnosing Biliary Obstruction. IN Your Dose of Medicine [column]." Philippine Star, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.