APA (7th ed.) Citation

Qorbani, M., & Yunesian, M. (2008). Methodological Assessment of Case–Crossover Studies. Tehran University of Medical Sciences.

Chicago Style (17th ed.) Citation

Qorbani, M., and M. Yunesian. Methodological Assessment of Case–Crossover Studies. Tehran University of Medical Sciences, 2008.

MLA (8th ed.) Citation

Qorbani, M., and M. Yunesian. Methodological Assessment of Case–Crossover Studies. Tehran University of Medical Sciences, 2008.

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