The hospitalized child and the need for mastery.
D000293:Adolescent; D001007:Anxiety; D002648:Child; D002657:Child Development; D002673:Child, Hospitalized / Q000523:psychology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007389:Internal-External Control; D008297:Male; D010371:Pediatric Nursing