[On the ratio between iodine and calcium in potable water sources in foci of endemic goiter in Orenburg District].
D002118:Calcium / Q000032:analysis*; D006042:Goiter / Q000453:epidemiology*; D006801:Humans; D007455:Iodine / Q000032:analysis*; D012426:Russia; D014881:Water Supply
D007455:Iodine; D002118:Calcium
O sootnoshenii ĭoda i kal'tsiia v pit'evykh vodoistochnikakh ochagov éndemicheskogo zoba v orenburgskoĭ oblasti.