Authors: Johnson, PTJ Lunde, KB Ritchie, EG Reaser, JK Launer, AE

Citation: Ptj. Johnson et al., Morphological abnormality patterns in a California amphibian community, HERPETOLOGI, 57(3), 2001, pp. 336-352

Authors: Johnson, PTJ Lunde, KB Haight, RW Bowerman, J Blaustein, AR

Citation: Ptj. Johnson et al., Ribeiroia ondatrae (Trematoda : Digenea) infection induces severe limb malformations in western toads (Bufo boreas), CAN J ZOOL, 79(3), 2001, pp. 370-379

Authors: Johnson, PTJ Lunde, KB Ritchie, EG Launer, AE

Citation: Ptj. Johnson et al., The effect of trematode infection on amphibian limb development and survivorship, SCIENCE, 284(5415), 1999, pp. 802-804