Barriers to care questionnaire: reliability, validity, and responsiveness to change among parents of children with asthma.
Seid M, Opipari-Arrigan L, Gelhard LR, Varni JW, Driscoll K. Barriers to care questionnaire: reliability, validity, and responsiveness to change among parents of children with asthma. Acad Pediatr. 2009 Mar-Apr; 9(2):106-13.