Khan S, Javaid A, Ghori R A, Mahmood K, Anwer N, Khan S U, Iqbal Z H, Rahman F, Ullah S, Imran K, Akhter N, Khan M K Z, Siddqui S J, Fareed A, Khan M H
Cefaclor AF vs Clarithromycin in Acute Exacerbation of Chronic Bronchitis (B3M-PK-AJBG).
J Pak Med Assoc Aug 2003;53(8):338-45.