APA

Py A., Zein Addeen G., Perrier Y., Carlier R. & Picard A. (20090831). Evaluation of the effectiveness of botulinum toxin injections in the lower limb muscles of children with cerebral palsy. Preliminary prospective study of the advantages of ultrasound guidance. : Annals of physical and rehabilitation medicine.

Chicago

Py A-G, Zein Addeen G, Perrier Y, Carlier R-Y and Picard A. 20090831. Evaluation of the effectiveness of botulinum toxin injections in the lower limb muscles of children with cerebral palsy. Preliminary prospective study of the advantages of ultrasound guidance. : Annals of physical and rehabilitation medicine.

Harvard

Py A., Zein Addeen G., Perrier Y., Carlier R. and Picard A. (20090831). Evaluation of the effectiveness of botulinum toxin injections in the lower limb muscles of children with cerebral palsy. Preliminary prospective study of the advantages of ultrasound guidance. : Annals of physical and rehabilitation medicine.

MLA

Py A-G, Zein Addeen G, Perrier Y, Carlier R-Y and Picard A. Evaluation of the effectiveness of botulinum toxin injections in the lower limb muscles of children with cerebral palsy. Preliminary prospective study of the advantages of ultrasound guidance. : Annals of physical and rehabilitation medicine. 20090831.