URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a531743a6dba98ad1b19e7924fc4ad35https://doi.org/10.1016/j.amjcard.2004.04.041
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5aefb6aeecad234b09eb8d96bd6cf39https://pubmed.ncbi.nlm.nih.gov/9290402