Normal serum calcium level is______________?
A. 5 to 7 mg%
B. 7 to 9 mg%
C. 9 to 11 mg%
D. 11 to 13 mg%
A. 5 to 7 mg%
B. 7 to 9 mg%
C. 9 to 11 mg%
D. 11 to 13 mg%