Impact of comprehensive, high-quality peri-operative nursing care on patients undergoing painless gastrointestinal endoscopy’s psychological state, vital signs, and anesthetic medication: A systematic study and meta-analysis. Int. J. Life. Sci. Biotech. Pharm. Sci [Internet]. 2020 Aug. 15 [cited 2026 Mar. 12];16(3):33-8. Available from: https://ijlbps.net/index.php/ijlbps/article/view/99