M. R, CH. R. Validity of pneumonia severity index/pneumonia outcome research trial and Curb-65 severity scoring systems in community acquired pneumonia in Indian setting. Int J Adv Med [Internet]. 2017 Jan. 2 [cited 2025 Dec. 25];3(2):338-44. Available from: https://www.ijmedicine.com/index.php/ijam/article/view/188