10.1002/1097-0142(197406)33:6+<1720::AID-CNCR2820330705>3.0.CO;2-1
10.1002/(SICI)1096-8644(1998)107:27+<1::AID-AJPA2>3.0.CO;2-H
10.1002/(SICI)1097-0177(199912)216:4/5<374::AID-DVDY6>3.0.CO;2-N
10.1002/1096-9888(200011)35:11<1363::AID-JMS984>3.0.CO;2-5
