00620naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200007600094210008200170215001000252608002700262675012500289700002100414856001500435EN\\bibl\7389220241201075016.7##a2409-3750##a20240130b2024####ek#y0engy0150####ca##aRU1#aVitamin B12 deficiency anemia: diagnosis and treatmenteJournal article1#aTulacLLC Information and publishing center Innovations and investmentsd2024##a6 с.##aJournal article2local##aДиагностика заболеваний крови. 616.15-07aМедицина. Охрана здоровья. 61#1aPetruhinagK. D.4#anaukaru.ru