Cadmium, copper, lead and zinc concentrations in female and embryonic Pacific sharpnose shark (Rhizoprionodon longurio) tissues. - Frías-Espericueta MG; Cardenas-Nava NG; Márquez-Farías JF; Osuna-López JI; Muy-Rangel MD; Rubio-Carrasco W; Voltolina D (Bulletin of environmental contamination and toxicology, 2014)