TY  - RPRT
TI  - Absorption and sustained release theophylline.
AU  - S Pedersen
PY  - 1983
DO  - 10.1016/s0140-6736(83)90478-6
UR  - https://pubmed.ncbi.nlm.nih.gov/6138523/
ID  - 6138523
ER  -