McGraw-Hill Medical. 2007. ISBN 0-07-149868-0. Normal Reference Range Table (页面存档备份,存于互联网档案馆) from The University of Texas Southwestern MedicalCenter at Dallas
Presbyterian Hospital in Van Nuys, Northridge HospitalMedicalCenter in Northridge, Olive View – UCLA MedicalCenter in Sylmar, Encino HospitalMedicalCenter in