in general , serum and urine features were normal , the exceptions being a low serum 25-hydroxyvitamin d level ( plus intermittent elevation of serum parathyroid hormone ) in one , a tendency to low plasma alkaline phosphatase in another , and in the third ( the most severely affected patient ) a transient rise in urinary hydroxyproline and plasma alkaline phosphatase during a phase of bone loss following her second and third pregnancies .
C0229671
serum
C0032105
plasma