Application of afentanil and remazolam in painless gastroenteroscopy for elderly patients with cardiopulmonary insufficiency

Wang Kun, Guo Qiang, Lu Kai
International Medicine and Health Guidance News . 2024, (21): 3629 -3634 .  DOI: 10.3760/cma.j.issn.1007-1245.2024.21.021

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