owing to the continuing controversy regarding the appropriate therapeutic management of asymptomatic , uncomplicated and mild ( 'biochemical ' ) primary hpt , we further evaluated this surgical experience by comparing the results of operation in two groups of patients : those with 'biochemical ' hpt ( serum calcium less than 11 mg/dl ) and those with 'non-biochemical ' hpt ( symptomatic or complicated disease or serum calcium greater than 11 mg/dl ) .
C0221002
primary hpt
C0020502
hpt