妊高征治疗有效的血镁浓度是()
A:0.75~1.0mmol/L
B:0.5~0.75mmol/L
C:1.0~1.7mmol/L
D:1.7~3.0mmol/L
E:3.0~4.5mmol/L
出自:妇产科住院医师