TY - RPRT TI - Quantitative electrocardiography and vectorcardiography in postnatally developing rats. AU - U Diez AU - H Schwartze PY - 1991 DO - 10.1016/0022-0736(91)90081-v UR - https://pubmed.ncbi.nlm.nih.gov/2056268/ ID - 2056268 ER -