Forty-seven patients with Parkinson's disease were evaluated prior to and during levodopa
treatment (at five weeks and at six months), to obtain quantitative measures of the effects of …

Many individuals with Parkinson's syndrome have an intellectual impairment which is large
enough to be of both practical and theoretical significance. Forty patients with moderate to …

The broad results of the treatment of patients with idiopathic Parkinson's disease who have
received levodopa or its variants are reported. 50 patients, 24 males and 26 females, with a …

A quantitative functional evaluation, the motility index, was used as the principal measure of
a patient's status in the study of levodopa therapy in the long-term treatment of parkinsonism …

Seventy parkinsonian patients were treated continuously with levodopa for five years.
During the first year, sixty-three patients (90 per cent) improved. After five years, however …

The efficacy of levodopa in long‐term treatment has still not been sufficiently demonstrated.
In this study 126 parkinsonians have been treated for a minimum of 12 and a maximum of 36 …

This article examines the effect of a series of physical and sociopsychological variables on
the response shown by Parkinson patients to levodopa therapy. Of the ten major variables …

Eighty-eight patients with Parkinson's disease were treated with levodopa. A group of elderly
patients 65 years and older was compared with a second group under the age of 65, and it …

Methods We started 110 patients with Parkinson's disease on levodopa between October
1968 and April 1969, 100 of whom are discussed here. The characteristics of the patient …

Levodopa treatment improves significantly not only the parkinsonian disability but also the
mortality rate. However, during long‐term levodopa treatment the therapeutic benefit …