title: Nonvariance of LD50 values of drugs in gravid and nongravid mice.
abstract: This study showed that the LD50 values for morphine sulfate, cobalt chloride, and phenytoin sodium did not vary significantly on Day 9 of gestation in CF-1 mice when compared to values of nongravid animals.
mesh_terms: D000818:Animals; D003035:Cobalt / Q000633:toxicity; D005260:Female; D007928:Lethal Dose 50; D008297:Male; D051379:Mice; D009020:Morphine / Q000633:toxicity; D010672:Phenytoin / Q000633:toxicity; D011247:Pregnancy; D011270:Pregnancy, Animal; D014116:Toxicology
chemical_list: D003035:Cobalt; D010672:Phenytoin; D009020:Morphine