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1642 H. More Ψυχωδια Platonica sig. E^v Mad-making waters, sex trans-forming springs.

1922 Amer. Naturalist 56 199 If environment..plays such an important sex transforming rôle, why do male tadpoles never transform into females.

1993 Evolution 47 488 Sex-transforming mutations with temperature-dependant expression have been found in Drosophila..and nematodes.