[Health and hygienic risks of biotoxins in imported saltwater fishes]

algas marinas algue marine contamination czech republic enfermedades humanas envenenamiento human diseases importaciones importation imports inspection des viandes intoxication maladie de l'homme maladie transmissible par aliment mariscos meat inspection methode methods peces marinos poisoning poisson de mer saltwater fishes seaweeds shellfish symptome symptoms toxinas toxine toxins