Afia Zafar, Farida Khurram Lalani, Ahmer Arif Longi, Mohammad Raheel Jajja, Maera Haider, Salila Hashmi, Erum Khan, Seema Irfan, Tabinda Hussain, Faisal Riaz Hussain, Rumina Hasan, and Kauser Jabeen. 2022. “Increase in Penicillin and Multidrug Resistance in Streptococcus Pneumoniae (1993-2016): Report from a Tertiary Care Hospital Laboratory, Pakistan”. Journal of the Pakistan Medical Association 71 (12):2726-30. https://doi.org/10.47391/JPMA.1178.