TY  - RPRT
TI  - How valuable are psychotherapy experiments?: The idiographic problem.
AU  - E Erwin
PY  - 1999
DO  - 10.1002/(sici)1097-4679(199912)55:12<1519::aid-jclp9>3.0.co;2-2
UR  - https://pubmed.ncbi.nlm.nih.gov/10855485/
ID  - 10855485
ER  -