TY - RPRT TI - Detecting break in insulation in negative pacemaker lead. AU - G D Green AU - W Forbes AU - W H Bain AU - G B Shaw PY - 1968 DO - 10.1136/bmj.4.5631.645-d UR - https://pubmed.ncbi.nlm.nih.gov/5723375/ ID - 5723375 ER -