Psychological Services (2014) - Comment
pubmed: 24364595  doi: 10.1037/a0034855  issn: 1939-148x  issn: 1541-1559 

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Kristin W. Samuelson, Christopher J. Koenig, Nicole McCamish, Gerard Choucroun, Gary Tarasovsky, Daniel Bertenthal, Karen H. Seal