RU
Pitatel'naja cennost' sutochnykh pishhevykh racionov molodjozhi iz internatov. Ch. II. Soderzhanie kal'cija, fosfora, magnija, zheleza i kalija
EN
Nutritive value of daily diets of adolescents living in boarding schools. Part II. Contents of calcium, phosphorus, magnesium, iron and potassium