Aryal, Nirjala, Arun Kumar Neopane, Moon Thapa, Umesh Kumar Singh, and Keshav Agrawal. 2013. “Crystalline Penicillin for Community Acquired Pneumonia: Does It Still Work?”. Medical Journal of Shree Birendra Hospital 11 (2):36-39. https://doi.org/10.3126/mjsbh.v11i2.7908.