Paralytic shellfish toxins in Argopecten purpuratus and Semimytilus algosus from northern ChileGonzalo Álvarez, Eduardo Uribe, Adriana Vidal, Paulo Ávalos, Francisco González, Carmen Mariño and Juan BlancoAquat. Living Resour., 22 3 (2009) 341-347DOI: https://doi.org/10.1051/alr/2009028