Comparative paralytic shellfish toxin profiles in two marine bivalves during outbreaks of Gymnodinium catenatum (Dinophyceae) in the Gulf of California
Centro Interdisciplinario de Ciencias Marinas (CICIMAR-IPN), Departamento de Plancton y Ecología Marina, Apartado Postal 592, C.P. 23000 La Paz, Baja California Sur, Mexico. igarate@ipn.mx