RT Journal Article SR Electronic T1 Should we still be using theophylline to treat asthma? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 681 OP 681 VO 68 IS 8 A1 Vielhaber, Marta M. A1 Kavuru, Mani YR 2001 UL http://www.ccjm.org/content/68/8/681.abstract AB