TY - RPRT TI - Phase-invariant signature algorithm: a noninvasive technique for early detection and quantification of ouabain-induced cardiac disorders. AU - K Prasad AU - M M Gupta PY - 1979 DO - 10.1177/000331977903001101 UR - https://pubmed.ncbi.nlm.nih.gov/507458/ ID - 507458 ER -