Methods the serum levels of ca, Zn were measured in 20 GHD children before and after 3 months of r-hGH therapy, and compared with that of 20 cases of NGHDSS and 20 normal children.

方法20例GHD患者在治疗前及治疗3月后分别测钙、锌水平并观察他们的身高变化，并与20例nghdss患者和20例正常儿童进行对照。