目的: 探讨爪甲色诊与甲床光电血管容积图的关系.Objective : To observe the relationship between the fingernail colour and the photoplethysmogram.选择部位 ( 耳 、 甲床或鼻梁 ).Select site ( ear, nail bed, or bridge of nose ).甲床上不规则的棕色或蓝色点可能是黑索瘤.Irregularly...
He used elective system, replacing the stereotype of classical courses, students can pursue their professional interest.他采用选修制, 取代了刻板的古典课程, 学生们可以攻读他们感兴趣的专业.We is replacing all our salaried staff with freelancers.我们正在将所有领...