title: The reestablishment of sex balance in Ophryotrocha puerilis through interactions between individuals from arrhenogenous and thelygenous lines.
mesh_terms: D000818:Animals; D005260:Female; D005298:Fertility; D012739:Gonadal Steroid Hormones; D008297:Male; D012732:Sex Determination Analysis; D012737:Sex Factors
chemical_list: D012739:Gonadal Steroid Hormones