[Changes in the embryonic and larval development of frogs induced by urea].
D000818:Animals; D001001:Anura; D002025:Bufonidae; D011898:Ranidae; D014508:Urea / Q000494:pharmacology*
D014508:Urea
FROGS AND TOADS; UREA/effects
Izmenenie embrional'nogo i lichinochnogo razvitiia liagushki pod vliianiem mocheviny.