[BioC] getting end position of genes

[Andreas Zankl]

I have a list of genes for which I need the start and end posistion. 
hgu133aCHRLOC gives me the start position of a gene, how can I get 
the end position?

Thanks for your help
Andreas

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PLEASE NOTE MY NEW EMAIL ADDRESS: ANDREAS.ZANKL at GMAIL.COM

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Andreas Zankl, MD
Division of Molecular Pediatrics
Clinique Infantile 02/50
CHUV
Avenue Pierre Decker 2
CH-1011 Lausanne
Switzerland
Phone: +41-21-3143778
Fax: +41-21-3143546
Email: andreas.zankl at gmail.com