@misc{9642,
  author = {A. Shafe and S. Lee and J. Dalrymple and P. Whorwell},
  title = {The LUCK study: Laxative Usage in patients with GP-diagnosed Constipation in the UK, within the general population and in pregnancy. An epidemiological study using the General Practice Research Database (GPRD)},
  year = {2011},
  journal = {Therap Adv Gastroenterol},
  volume = {4},
  number = {6},
  pages = {343-63},
  issn = {1756-283x},
  doi = {10.1177/1756283x11417483},
}