Serum homovanillic acid (HVA), FSH, LH and testosterone (TS) were examined in healthy first degree relatives of schizophrenic patients.

应用高压液相和放免分析法测定精神分裂症病人一级健康亲属的血清高香草酸（HVA）、FSH、LH和睾酮（TS）浓度。