Physiotherapy for Children with Cerbral Palsy, Evidence for its Efficacy
Am J Dis Child 143:552-555, Tirosh,E.&Rabino,S., 1989
The Effects of Physical Therapy on Cerebral Palsy, A Controlled Trial in Infants with Spastic Diplegia
NEJM 318:803-808, Palmer,F.B.,et al, 1988