TY - JOUR AU - TI - The Global Opioid Policy Initiative (GOPI) project to evaluate the availability and accessibility of opioids for the management of cancer pain in Africa, Asia, Latin America and the Caribbean, and the Middle East: introduction and methodology JF - Annals of Oncology DO - 10.1093/annonc/mdt498 DA - 2013-12-01 UR - https://www.deepdyve.com/lp/unpaywall/the-global-opioid-policy-initiative-gopi-project-to-evaluate-the-N0r2o4h899 DP - DeepDyve ER -