APA (7th ed.) Citation

Chua, P. S. (2009). H. Pylori infection. Malaya.

Chicago Style (17th ed.) Citation

Chua, Philip S. "H. Pylori Infection." Malaya 2009.

MLA (9th ed.) Citation

Chua, Philip S. "H. Pylori Infection." Malaya, 2009.

Warning: These citations may not always be 100% accurate.