NIH:10.2753/IMH0020-7411400302
NIH:10.2753/IMH0020-7411400303
NIH:10.2753/IMH0020-7411400402
NIH:10.2753/IMH0020-7411410201
NIH:10.2753/IMH0020-7411410203
NIH:10.2753/IMH0020-7411430103
NIH:10.2753/MIS0742-1222250103