TY - STAND AU - A. Shafe AU - S. Lee AU - J. Dalrymple AU - P. Whorwell BT - Therap Adv Gastroenterol DO - 10.1177/1756283x11417483 M1 - 6 PY - 2011 SP - 343 EP - 63 T2 - Therap Adv Gastroenterol TI - 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) VL - 4 SN - 1756-283x ER -