Manganese is an essential element for biologic function, but excessive exposure is toxic.
The most obvious manifestations of high environmental levels of this metal are expressed as …

• We report six cases of chronic manganese intoxication in workers at a ferromanganese factory
in Taiwan. Diagnosis was confirmed by assessing increased manganese concentrations …

… 14 Chu NS. Betel chewing increases the skin temperature: Effects of atropine and propranolol.
Neurosci Lett 194:130–132;1995. 15 Chu NS. Sympathetic response to betel chewing. J …

We report a longitudinal follow-up study on six patients with chronic manganese-induced
parkinsonism following cessation of manganese exposure. Compared with the 1987 study, …

Among 1402 patients with intracerebral haemorrhage (ICH), seizures occurred in 64 (4.6%)
and epilepsy in 35 (2.5%). Seizure was the first manifestation of ICH in 19 patients (30%). …

Betel quid chewing has been claimed to produce a sense of well‐being, euphoria, warm
sensation of the body, sweating, salivation, palpitation, heightened alertness and increased …

We studied the long-term clinical course of five patients with chronic manganese intoxication.
The mean scores of the King's College Hospital Rating Scale for Parkinson's disease …

Background: Colonoscopes present a special bacterial decontamination challenge
because the colon has a large and diverse microbial population. Methods: Bioburden of …

We report a short-term double-blind, crossover study of CoQ10 in 8 patients with mitochondrial
encephalomyopathies. Four patients had myoclonus epilepsy with ragged-red fibers …

Bilateral hearing impairment is rare in vertebrobasilar occlusive disease. Between 1986 and
1991, we encountered seven patients (four men, three women; median age, 61 years; range…