APA (7th ed.) Citation

Ngow, H. A., & Wan Mohd Nowalid, W. K. (2011). Coronary artery spasm: A Quandary.

Chicago Style (17th ed.) Citation

Ngow, Harris Abdullah, and Wan Khairina Wan Mohd Nowalid. Coronary Artery Spasm: A Quandary. 2011.

MLA (8th ed.) Citation

Ngow, Harris Abdullah, and Wan Khairina Wan Mohd Nowalid. Coronary Artery Spasm: A Quandary. 2011.

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