正常血清中含量最多的补体是()。 ["C1","C2","C3","C4","C5"]
Nikolsky征主要见于() ["A.寻常型天疱疮 ","B.类天疱疮 ","C.疱疹样皮炎 ","D.疱疹样脓疱病 ","E.大疱性表皮松解坏死型药疹"]
手、前臂、上臂尺侧()。 ["C2<\/sub>~C3<\/sub>","C5<\/sub>~C2<\/sub>","C4<\/sub>","C8<\/sub>~T2<\/sub>","T4~5<\/sub>"]
影响社会支持的因素有() ["人际关系、社会网络、社会凝集力","人际关系、社会网络、家庭成员多少","人际关系、家庭类型、社会凝集力","居住区域、社会网络、社会凝集力","人际关系、社会网络、居住区域"]
乳头水平()。 ["C2<\/sub>~C3<\/sub>","C5<\/sub>~C2<\/sub>","C4<\/sub>","C8<\/sub>~T2<\/sub>","T4~5<\/sub>"]
边际要素成本