No abstract available
Publication types
-
Letter
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Denmark / epidemiology
-
Humans
-
Parkinson Disease / epidemiology
-
Parkinson Disease / etiology*
-
Poliomyelitis / complications*
-
Poliomyelitis / epidemiology
-
Risk Factors
-
Substantia Nigra