NIH:10.5012/bkcs.2010.31.11.3318
NIH:10.5012/bkcs.2011.32.5.1620
NIH:10.5012/bkcs.2012.33.3.925
NIH:10.5012/bkcs.2013.34.7.2063
NIH:10.5012/bkcs.2013.34.8.2436