Paper  bibtex   

@article{krystkowiak_p_chronic_2001,
title = {Chronic bilateral pallidal stimulation and levodopa do not improve gait in the same way in Parkinson's disease: a study using video motion analysis system},
volume = {248},
issn = {0340-5354},
url = {http://www.ncbi.nlm.nih.gov/pubmed/11757957},
Language = {English},
Journal = {J. Neurol.},
author = {{Krystkowiak P} and {Blatt JL} and {Bourriez JL} and {Duhamel A} and {Perina M} and {Kemoun G} and {Blond S} and {Guieu JD} and {Destee A} and {Defebvre L}},
year = {2001},
keywords = {Aged, Antiparkinson Agents/pharmacology*, Dyskinesias/etiology*, Electric Stimulation Therapy*, Female, Gait*, Globus Pallidus/physiology*, Humans, Kinetics, Levodopa/pharmacology*, Male, Middle Aged, Parkinson Disease/therapy*, Severity of Illness Index, Treatment Outcome},
pages = {944-949}
}