Macleod AD, Taylor KS, Counsell CE (November 2014). "Mortality in Parkinson's disease: a systematic review and meta-analysis". Movement Disorders. 29 (13): 1615–22. PMID24821648. डीओआइ:10.1002/mds.25898.
nih.gov
pubmed.ncbi.nlm.nih.gov
Macleod AD, Taylor KS, Counsell CE (November 2014). "Mortality in Parkinson's disease: a systematic review and meta-analysis". Movement Disorders. 29 (13): 1615–22. PMID24821648. डीओआइ:10.1002/mds.25898.