"Geflügel." . . "Sex Determination Analysis." . . "Sexualité (Biologie)" . . "Sexualité (biologie)." . "Volailles Physiologie." . . "Volailles - Physiologie." . . . . "Sex determination and sexual differentiation in the fowl"@en . "Sex determination and sexual differentiation in the fowl" . . . "The rudimental copulatory organ of the male domestic fowl with reference to the sexual differentiation of chickens. Morphological and statistical studies on the genital process of day-old chicks (with leghorn) with special reference to sex discrimination in day-old chicks..." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Różnicowanie płciowe." . . "Sex Characteristics." . . "Geschlechtsdifferenzierung." . . "Hermaphrodisme." . . . . "Différenciation sexuelle." . . "Poultry." . . "Determinacja genetyczna płci." . .