Authors: H Przuntek; D Welzel; E Blümner; W Danielczyk; H Letzel; H J Kaiser; P H Kraus; P Riederer; D Schwarzmann; H Wolf Journal: Eur J Clin Pharmacol Date: 1992 Impact factor: 2.953
Authors: C W Olanow; R A Hauser; L Gauger; T Malapira; W Koller; J Hubble; K Bushenbark; D Lilienfeld; J Esterlitz Journal: Ann Neurol Date: 1995-11 Impact factor: 10.422