title: Sex ratio of offsprings of rats bred at 5 degrees C.
mesh_terms: D000818:Animals; D001835:Body Weight; D003080:Cold Temperature; D005260:Female; D008098:Litter Size; D008297:Male; D009638:Norepinephrine / Q000494:pharmacology; D011247:Pregnancy; D051381:Rats; D012744:Sex Ratio
chemical_list: D009638:Norepinephrine