Pain Control in Latin America: The Optimized Role of Buprenorphine in the Treatment of Cancer and Noncancer Pain.

Pain Ther · 2019 · PMC6857113 · PMID 31102146

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may be significantno p-value reported

Pain is a terrible health problem that transcends borders and nationalities, although there may be significant differences among regions regarding pain management.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.