TY - RPRT TI - Palliative care program effectiveness research: developing rigor in sampling design, conduct, and reporting. AU - Marie A Bakitas AU - Kathleen Doyle Lyons AU - Jane Dixon AU - Tim A Ahles PY - 2006 DO - 10.1016/j.jpainsymman.2005.07.011 UR - https://pubmed.ncbi.nlm.nih.gov/16563321/ ID - 16563321 ER -