Method for RT-PCR?

[Mark Griffiths]

Does any one have a reliable method for RT-PCR?  Using a kit is an
option but most kits seem to be extremely expensive. Information
on methods of RNA purification (kit or otherwise) and source of
reagents would also be greatly appreciated.

Thanks in advance,

Mark Griffiths,
Dept. of Biochem. & Mol. Biol.,
University of Leeds,
U.K.