TY  - RPRT
TI  - A meta-analytic study of self-help interventions for anxiety problems.
AU  - Michiyo Hirai
AU  - George A Clum
PY  - 2006
DO  - 10.1016/j.beth.2005.05.002
UR  - https://pubmed.ncbi.nlm.nih.gov/16942965/
ID  - 16942965
ER  -