Authors: Butt, AA Dascomb, KK DeSalvo, KB Bazzano, L Kissinger, PJ Szerlip, HM

Citation: Aa. Butt et al., Human immunodeficiency virus infection in elderly patients, SOUTH MED J, 94(4), 2001, pp. 397-400

Authors: Akhtar, M Butt, AA

Citation: M. Akhtar et Aa. Butt, The Paleogene of the Kala Chitta Range, northern Pakistan, N J GEO P-M, (1), 2001, pp. 43-55

Authors: Afzal, J Butt, AA

Citation: J. Afzal et Aa. Butt, Lower Tertiary planktonic biostratigraphy of the Salt Range, Northern Pakistan, N J GEO P-M, (12), 2000, pp. 721-747

Authors: Butt, AA

Citation: Aa. Butt, Medical complications of acute stroke, NEUROL DIS, 48, 1999, pp. 117-127

Authors: Butt, AA Janney, A

Citation: Aa. Butt et A. Janney, Arthritis due to Mycobacterium fortuitum, SC J IN DIS, 30(5), 1998, pp. 525-527