Comparison of Amoxicillin, Doxycycline and Cephalosporin Activity Against Human Lower Respiratory Tract Pathogen in Cold Season at South Punjab, Pakistan . mfm [Internet]. 2023 Sep. 4 [cited 2026 Jun. 13];34(8). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/4450