Tolerability of switching from donepezil to memantine treatment in patients with moderate to severe Alzheimer's disease.

PCT No. PCT/DE89/00412 Sec. 371 Date Dec. 28, 1990 Sec. 102(e) Date Dec. 28, 1990 PCT Filed Jun. 23, 1989 PCT Pub. No. WO90/02260 PCT Pub. Date Mar. 8, 1990.A cranking device for internal combustion engines includes a permanently excited cranking motor and an electrical run-down brake, having a switching device (25) which, during the run-down phase of the cranking device, connects the connecting leads of the brushes (4, 4') of the cranking motor (1) to one another via a resistor (24). An additional winding of the engaging relay (15) of the cranking device is used as the resistor.