Rosa Casillas, Mariela 0 By admin on October 29, 2018 mariela.rosa@upr.edu Research Work: Localization of Pedal Peptide 4-like Immunoreactivity in the Central Nervous System of Biomphalaria spp., Intermediate Hosts for Schistosomiasis Mentor: Mark W. Miller | Biographical Sketch Share. Twitter Facebook Pinterest LinkedIn Tumblr Email