Campbell's Physical Therapy for Children PALISANO, ROBERT, PT, SCD (DISTINGUISHED PROFESSOR EMERITUS, DREXEL UNIVERSITY, DEPARTMENT OF PHYSICAL THERAPY AND REHABILITATION SCIENCES, PHILADELPHIA, PA),ORLIN, MARGO (ASSOCIATE PROFESSOR EMERITA , DREXEL UNIVERSITY, DEPARTMENT OF PHYSICAL THERAPY AND REHABILITATION SCIENCES, PHILADELPHIA, PA),SCHREIBER, JOSEPH (AFFILIATIONS AND EXPERTISE, PROFESSOR, PHYSICAL THERAPY PROGRAM, CHATHAM UNIVERSITY, PITTSBURGH, PA)