APA (7th ed.) Citation

Pourhoseingholi, M. A., Vahedi, M., & Rahimzadeh, M. (2013). Sample size calculation in medical studies. Gastroenterology and hepatology from bed to bench, 6(1), 14-17.

Chicago Style (17th ed.) Citation

Pourhoseingholi, Mohamad Amin, Mohsen Vahedi, and Mitra Rahimzadeh. "Sample Size Calculation in Medical Studies." Gastroenterology and Hepatology from Bed to Bench 6, no. 1 (2013): 14-17.

MLA (9th ed.) Citation

Pourhoseingholi, Mohamad Amin, et al. "Sample Size Calculation in Medical Studies." Gastroenterology and Hepatology from Bed to Bench, vol. 6, no. 1, 2013, pp. 14-17.