Nadler, S.A. 1990. Molecular approaches to studying helminth population genetics and phylogeny. Nadler, S.A. , Hafner, M.S., Hafner, J.C., and D.J. Hafner. 1990. Hafner, M.S., and S.A. Nadler . Hafner, M.S., and S.A. Nadler .
Phylogenetic trees support the coevolution of parasites and their hosts.