权威例句
Step stoolStep stoolStep stoolThree-step stool examination for cryptosporidiosis in 10 homosexual men with protracted watery diarrheaSTEP-STOOL ASSEMBLIES WITH CONTINUOUS OUTER SHELLS AND RELATED METHODSThe impact of a step stool on cardiopulmonary resuscitation: A cross-over mannequin studyUse of step stool during resuscitation improved the quality of chest compression in simulated resuscitationThe effect of inclined step stool on the quality of chest compression during in-hospital cardiopulmonary resuscitation.Step stool attachmentTwo-step stool aerobic training for smokers.The effect of step stool use and provider height on CPR quality during pediatric cardiac arrest: A simulation-based multicentre study.Step stool with movable handrailSlip-resistant step stool and a method of manufacturing the same