RUEY-JIEN CHENSu-Cheng HuangSONG-NAN CHOWCHANG-YAO HSIEH2009-02-122018-07-122009-02-122018-07-121993-03http://ntur.lib.ntu.edu.tw//handle/246246/129322en-USHigher Human Chorionic Gonadotropin Levels in Serum Than in Urine at Pregnancyjournal article