Suryana K. Cephalosporin graded challenges approach in community–acquired pneumonia patient with a history of penicillin allergy. Int J Res Med Sci [Internet]. 2021 Jun. 25 [cited 2024 Apr. 19];9(7):2106-8. Available from: https://www.msjonline.org/index.php/ijrms/article/view/9690