Journal Article 243 Research Support, Non-U.S. Gov't 64 reproductive isolation 37 isolation 18 Review 16 speciation 15 63231-63-0 10 mehr ... RNA 10 Research Support, U.S. Gov't, Non-P.H.S. 10 RNA isolation 9 Plant Proteins 8 Research Support, N.I.H., Extramural 8 virus isolation 8 gene flow 7 hybridization 7 isolation by distance 7 DNA 6 Isolation 6 adaptation 6 matrix isolation 6 genetics 5 geographic isolation 5 polyploidy 5 taxonomy 5 059QF0KO0R 4 9007-49-2 4 DNA isolation 4 Letter 4 Phenols 4 Water 4 weniger ...