%0 Journal Article %T Generation of evolutionary novelty by functional shift %A Ganfornina, María D. %A Sánchez, Diego %J BioEssays %V 21 %N 5 %P 432-439 %@ 0265-9247 %D 1999-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve