@misc{indiciae06c2c1ff851c,
  title = {Intrasubject variation in sustained-release theophylline absorption.},
  author = {R A Dederich and S J Szefler and E R Green},
  year = {1981},
  doi = {10.1016/0091-6749(81)90100-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/7346530/},
  note = {Source identifier: 7346530}
}