PTH @-@ delivered via pump produced near normalization of mean serum calcium ( @ @ -LSB- pump -RSB- vs @ @ -LSB- injection -RSB- mmol/L , P < @ , normal @-@ @ mmol/L ) , normalized mean urine calcium excretion ( @ @ -LSB- pump -RSB- vs @ @ mmol/@ h/@ @ m ( @ ) , P = @ ) , and significantly reduced markers of bone turnover ( P < @ ) .