1. Anticholinergic drugs used in parkinson's disease: an overlooked class of drugs from a pharmacokinetic perspective;Brock;J. Pharm. Pharmaceut. Sci.,1999
2. Therapeutic Drugs;Dollery,1999
3. Chouinard, G., Annable, L., Ross, C.A., and Kropskey, M.L., Ethopropazine and benztropine in neuroleptic-induced parkinsonism, Journal of Clinical Psychiatry, 40(3) (1979) 147–152.
4. Craig, D. H. and Rosen, P., Abuse of antiparkinsonian drugs, Annals of Emergency Medicine, 10(2) (1981) 98–100.
5. Soares, K. V. and McGrath, J.J,. Anticholinergic medication for neuroleptic-induced tardive dyskinesia, Cochrane Database Syst. Rev., (2000) (2):CD000204.