NIH:10.3200/AEOH.60.5.249-256 NIH:10.3200/AEOH.61.2.75-86 NIH:10.3200/AEOH.62.2.61-73 NIH:10.3200/BMED.34.1.5-10 NIH:10.3200/BMED.34.1.11-20 NIH:10.3200/BMED.34.4.133-144 NIH:10.3200/JACH.53.6.253-262 NIH:10.3200/JACH.55.3.175-180 NIH:10.3200/JACH.57.2.245-248 NIH:10.3200/JMBR.38.3.238-247 NIH:10.3200/JRLP.140.6.603-613