In copyright
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Credit
Endo hormonas : Endo-Estromone, hormona folicular ovarica natural, Endo-Virosterone, hormona masculina natural, Endo-Ovatrin, hormona gonadotropa y gland ovarica total, Endo-Lutromone, hormona natural del corpus luteum / Endo Products, Inc. ; representante exclusivo: Ethical Products, S.A. In copyright. Source: Wellcome Collection.