Re: ageing rings in sharks

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From:Helen Wimer <Wimer.Helen@NMNH.SI.EDU>,
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I have not done age determination on sharks but have successfully shown aging rings using a paraffin technique on turtle humeri and iguana toes.  The sections were cut at 8-10 microns.  If you would like to discuss this further, please feel free to email me.

Helen F. Wimer
Smithsonian Institution MSC
4210 Silvert Hill Rd.
Suitland. Md.  20746
(301) 238-3786

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