RU
			
			
			Soderzhanie natriya, kaliya, polnogo kal'ciya, neorganicheskogo fosfora i alkalicheskoyi fosfatazy v syvorotke morskih svinok pod vliyaniem ul'traaktusticheskogo polya
		 
		
	
		
			
				EN
			
			
			The behaviour of sodium, potassium, total calcium, inorganic phosphorus and alkaline phosphatase in the serum of guinea pigs exposed to ultrasonic field