Agrawal, K., C. Mahaseth, and A. Rayamajhi. “Relationship of Respiratory Symptoms and Signs With Hypoxemia in Infants Under 2 Months of Age”. Journal of Nepal Paediatric Society, vol. 31, no. 3, Sept. 2011, pp. 202-8, doi:10.3126/jnps.v31i3.5359.