15/3/96

Dear Colleagues,

our group at the International Agency for Research on Cancer (IARC) at Lyon, France is setting up a project for the identification of predisposing gene(s) for familiar papillary thyroid carcinoma (PTC) by linkage analyses. For this purpose we are organizing an international consortium. Are you currently following families with recurrence of PTC or do you know of any colleague who might have seen such families? For this project we are interested in blood samples or DNA from at least two affected individuals in the same family. Upon your answer we will send you the protocol of this study, including a clinical questionnaire and the information for blood collection and shipment of this and/or other biological material. Thank you very much in advance for your cooperation.

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