TY - RPRT TI - Shared decision making: developing the OPTION scale for measuring patient involvement. AU - G Elwyn AU - A Edwards AU - M Wensing AU - K Hood AU - C Atwell AU - R Grol PY - 2003 DO - 10.1136/qhc.12.2.93 UR - https://pubmed.ncbi.nlm.nih.gov/12679504/ ID - 12679504 ER -