“COMPARATIVE CHARACTERISTICS THERAPEUTIC EFFECTIVENESS OF THE VITAMIN-MINERAL COMPLEX ‘BIOFERRON’ AND OTHER IRON-CONTAINING PREPARATIONS IN ADOLESCENT GIRLS WITH DIFFERENT DEGREES OF SEVERITY OF IRON DEFICIENCY”. 2023. International Journal of Scientific Pediatrics 2 (10): 362-67. https://doi.org/10.56121/2181-2926-2023-2-10-362-367.