TY - GEN AU - He,Xuming AU - Fu,Bo AU - Fung,Wing K TI - Median regression for longitudinal data SN - 0277-6715 PY - 2004///0129 KW - Analgesics KW - pharmacology KW - Female KW - Humans KW - Labor, Obstetric KW - physiology KW - Linear Models KW - Longitudinal Studies KW - Pain KW - drug therapy KW - Pregnancy KW - Weight Lifting N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1002/sim.1581 ER -