RT Article T1 Independent research by early investigators: An underutilized option JF JAMA psychiatry VO 71 IS 4 SP 357 OP 358 A1 Blazer, Dan G. 1944- LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1912588919 DO 10.1001/jamapsychiatry.2013.4370