TY - JOUR AU - Saadat, Mostafa PY - 2021/10/13 Y2 - 2024/03/29 TI - Sex ratio at birth in COVID-19 era: a report from Iran JF - EXCLI Journal JA - EXCLI J. VL - 20 IS - SE - Letters to the editor DO - 10.17179/excli2021-4257 UR - https://www.excli.de/index.php/excli/article/view/4257 SP - 1499-1501 AB - ER -