TY - RPRT TI - A method for testing heart involvement in progressive muscular dystrophy Erb. AU - T O Kleine AU - H Chlond PY - 1968 DO - 10.1016/0009-8981(68)90295-7 UR - https://pubmed.ncbi.nlm.nih.gov/5654646/ ID - 5654646 ER -