"Pharmacists’ Knowledge and Patient Counseling on Metered Dose Inhalers and Nebulizers in a Nigerian Hospital – an Intervention Study ". African Journal of Biomedical Research, م 23, عدد 3, سبتمبر، 2020, ص 313-9, https://www.ojshostng.com/index.php/ajbr/article/view/170.