A. 血清总钙低于正常 B. 血清磷增高 C. 血清钙、磷乘积<30 D. 血清中离子钙降低 E. 血清中结合钙降低
A. 血总钙<2.2-2.35 B. 血总钙<2.0-2.45 C. 血离子钙<1.88-2.2mmol/L D. 血总钙<1.75-1.88mmol/L E. 血离子钙<1.75-1.88mmol/L
A. To check the room. B. To give the room card. C. To have a chat. D. To visit Mr. White.