TY - RPRT TI - Apparent inconsistent theophylline absorption from sustained release capsules. AU - D L Uden AU - D E Schaber AU - R A Wyatt PY - 1987 DO - 10.1177/000992288702600601 UR - https://pubmed.ncbi.nlm.nih.gov/3581636/ ID - 3581636 ER -