APA Citation

Ha, J., & Cho, S. (2003). Prolonged sinus arrest after coronary artery spasm. Copyright 2003 by Heart.

Chicago Style Citation

Ha, J-W, and S-Y Cho. Prolonged Sinus Arrest After Coronary Artery Spasm. Copyright 2003 by Heart, 2003.

MLA Citation

Ha, J-W, and S-Y Cho. Prolonged Sinus Arrest After Coronary Artery Spasm. Copyright 2003 by Heart, 2003.

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