Comparison of the degree of exercise tolerance in children after surgical treatment of complex cardiac defects, assessed using ergospirometry and the level of brain natriuretic peptide
Comparison of the degree of exercise tolerance in children after surgical treatment of complex cardiac defects, assessed using ergospirometry and the level of brain natriuretic peptide
Comparison of the degree of exercise tolerance in children after surgical treatment of complex cardiac defects, assessed using ergospirometry and the level of brain natriuretic peptide
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