Ectopic ossicles associated with metacercariae of Apophallus brevis (Trematoda) in yellow perch, Perca ftavescens (Teleostei): development and identification of hone and chondroid bone - Taylor, L. H.; Hall, B. K.; Miyake, T.; Cone, D. K. (Springer, 1994)
http://dx.doi.org/10.1007/BF00185844
Keywords: WW-YZ