Common ancestral mutation in the MEN1 gene is likely responsible for the prolactinoma variant of MEN1 (MEN1Burin) in four kindreds from Newfoundland. - Olufemi,S.E.; Green,J.S.; Manickam,P.; Guru,S.C.; Agarwal,S.K.; Kester,M.B.; Dong,Q.; Burns,A.L.; Spiegel,A.M.; Marx,S.J.; Collins,F.S.; Chandrasekharappa,S.C. (Hum Mutat, 1998)