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Українська версія
Petkova V. B.
№2' 2020
OBSTETRICS AND GYNECOLOGY
Spasova V. L.,
Koleva L. I.,
Popova M. A.,
Petkova V. B.,
Dimitrov M. V.
Relationship of maternal vitamin B12 status in pregnancy with preterm birth and maternal health risks
32 - 38
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