Echeverría, M. (2022) “Early thromboprophylaxis and evolution in pregnant women with COVID-19”, Revista del Nacional (Itauguá). Itauguá, PY, 14(2), pp. 056–066. Available at: http://revistadelnacional.com.py/index.php/inicio/article/view/056-066 (Accessed: 9 November 2026).