Reducing premature infants' length of stay and improving parents' mental health outcomes with the Creating Opportunities for Parent Empowerment (COPE) neonatal intensive care unit program: a randomized, controlled trial.
Melnyk BM, Feinstein NF, Alpert-Gillis L, Fairbanks E, Crean HF, Sinkin RA, Stone PW, Small L, Tu X, Gross SJ. Pediatrics. 2006 Nov; 118(5):e1414-27. Epub 2006 Oct 16.