N-methylation ability for azaheterocyclic amines is higher in Parkinson's disease: nicotinamide loading test.
Aoyama K, Matsubara K, Okada K, Fukushima S, Shimizu K, Yamaguchi S, Uezono T, Satomi M, Hayase N, Ohta S, Shiono H, Kobayashi S.
Aoyama K, et al. Among authors: hayase n.
J Neural Transm (Vienna). 2000;107(8-9):985-95. doi: 10.1007/s007020070047.
J Neural Transm (Vienna). 2000.
PMID: 11041277
Clinical Trial.