涉及胃肠道的手术,一般术前____日开始进流质饮食,成人从术前____小时开始禁食,术前____小时开始禁水,如果是直肠、结肠手术还应在术前____天口服肠道制菌药物。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧