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. 2021 May 24;14:1359–1369. doi: 10.2147/JPR.S305146

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© 2021 Hale et al.

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Pain Relief Induced by Intramuscular Morphine or Sublingual Buprenorphine Following Surgery. Pain scores were determined using a VAS after the administration of 0.4 mg SL buprenorphine or an injection of 10 mg/mL morphine. *p<0.05 for comparisons between groups at that time.

Notes: Data from Edge et al (1979).⁴¹Abbreviations: h, hour(s); SL, sublingual; VAS, visual analog scale.