a b/mit-bih-noise-stress-test-database-1.0.0/118e18.hea
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118e18 2 360 650000
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118e18.dat 212 200(1024) 11 0 -167 25073 0 MLII
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118e18.dat 212 200(1024) 11 0 -103 -3026 0 V1
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# Created by `nst' from records 118 and em (SNR = 18 dB)