Trace elements in health; a review of current issues

animal health cadmio cadmium cinc cobre copper cuivre envenenamiento genetic inheritance gestation health intoxication lead maladie transmissible par aliment mercure mercurio mercury molibdeno molybdenum oligoelementos plomb plomo poisoning pregnancy radioisotopes radioisotopos salud sanidad animal selenio selenium talio thallium toxicidad toxicity trace elements zinc