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Parkinsonian features in advanced Down's syndrome.

Vieregge P, Ziemens G, Piosinski A, Freudenberg M, Kömpf D. Vieregge P, et al. Among authors: ziemens g. J Neural Transm Suppl. 1991;33:119-24. doi: 10.1007/978-3-7091-9135-4_19. J Neural Transm Suppl. 1991. PMID: 1836496

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Extrapyramidal features in advanced Down's syndrome: clinical evaluation and family history.

Vieregge P, Ziemens G, Freudenberg M, Piosinski A, Muysers A, Schulze B. Vieregge P, et al. Among authors: ziemens g. J Neurol Neurosurg Psychiatry. 1991 Jan;54(1):34-8. doi: 10.1136/jnnp.54.1.34. J Neurol Neurosurg Psychiatry. 1991. PMID: 1826326 Free PMC article.

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