Sagatbayeva Na 1

1. Immunogenicity of Pneumococcal Polysaccharide Vaccine in patients with rheumatoid arthritis
2. Impact of antenatal and intrapartum risk factors on the development of bronchopulmonary dysplasia in preterm infants
3. Prevalence and risk factors of retinopathy of prematurity in Kazakhstan: A Retrospective Study
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