[Dropped head as the presenting symptom of myasthenia in Parkinson's disease: a characteristic association?].
Hospital General de Vic, 08500 Vic, Espana.
J M
JM
Aragones
Hospital General de Vic, 08500 Vic, Espana.
C
C
Roca-Rabionet
Hospital General de Vic, 08500 Vic, Espana.
J
J
Altimiras-Roset
Hospital General de Vic, 08500 Vic, Espana.
P
P
Roura-Poch
D006257:Head; D006801:Humans; D018908:Muscle Weakness / Q000503:physiopathology*; D010300:Parkinson Disease / Q000175:diagnosis* / Q000503:physiopathology