Ahmad, ASiddiqui, M AAbdullah, A KQureshi, M URizvi, S STajuddin, M1979-04-012009-05-291979-04-012009-05-291979-04-01Ahmad A, Siddiqui MA, Abdullah AK, Qureshi MU, Rizvi SS, Tajuddin M. Serum alpha-1 antitrypsin in chronic obstructive lung disease. Indian Journal of Medical Sciences. 1979 Apr; 33(4): 91-6http://imsear.searo.who.int/handle/123456789/69079engAdultFemaleHumansLung Diseases, Obstructive --enzymologyMalealpha 1-Antitrypsin --geneticsJournal Article