Jelchnokamennaya bolezn, o’t-tosh kasalligi nima degani

Jelchnokamennaya bolezn, o’t-tosh kasalligi nima degani – asosan, o’t pufagida, kamroq o’t yo’llarida maxsus tuzilmalar – o’t-toshlari hosil bo’lishi bilan kechadigan kasallik.