B-type natriuretic peptide to N-terminal pro B-type natriuretic peptide ratio
b-type natriuretic peptide to n-terminal pro b-type natriuretic peptide ratio
B-type natriuretic peptide to N-terminal pro B-type natriuretic peptide ratio
b-type natriuretic peptide to n-terminal pro b-type natriuretic peptide ratio