الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2477f97c0b5637a6090bf5365472ca8Testhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-72032018000600309&lng=en&tlng=enTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e00f8370b605bc460e27c48511ed8a51Testhttps://doi.org/10.1097/00128360-200301000-00002Test