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Androst-4-ene-3,17-dione,mixt. with (3b,17b)-androst-5-ene-3,17-diol,desiccated thyroid hormones, (17b)-17-hydroxyandrost-4-en-3-one, 3-hydroxyestra-1,3,5(10)-trien-17-one and(3b)-3-hydroxypregn-5-en- related products: