A.血磷增高 B.血磷降低 C.血钙增高 D.血钙降低
A.肌酐清除率小于60ml/min B.肌酐清除率小于30ml/min C.肌酐清除率小于50ml/min D.肌酐清除率小于20ml/min
A.钙磷乘积 B.iPTH水平 C.血清磷水平 D.血清钙水平
A.20% B.40% C.60% D.80%
A.0.59 B.0.63 C.0.45 D.0.3