Koul, P. A., Broor, S., Saha, S., Barnes, J., Smith, C., Shaw, M., . . . Lal, R. B. (2014). Differences in Influenza Seasonality by Latitude, Northern India. Centers for Disease Control and Prevention.

Koul, Parvaiz A., Shobha Broor, Siddhartha Saha, John Barnes, Catherine Smith, Michael Shaw, Mandeep Chadha, و Renu B. Lal. Differences in Influenza Seasonality By Latitude, Northern India. Centers for Disease Control and Prevention, 2014.

Koul, Parvaiz A., et al. Differences in Influenza Seasonality By Latitude, Northern India. Centers for Disease Control and Prevention, 2014.