Choudhary, V. ., C. . Choudhary, A. Sharma, V. K. . Sharma, and P. Saraswat. “Swine Flu (H1N1) Pandemic Strain-09 PDM: A Recent Outbreak in Northern India”. Journal of Applied Pharmaceutical Research, vol. 10, no. 4, Dec. 2022, pp. 19-24, doi:10.18231/j.joapr.2022.10.4.19.24.