TY - JOUR T1 - COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study JO - Infection PY - 2021/10/01 AU - Abdukahil SA AU - Abe R AU - Abel L AU - Absil L AU - Acker A AU - Adachi S AU - Adam E AU - AdriĆ£o D AU - Ainscough K AU - Hssain AA AU - Tamlihat YA et al ED - DO - DOI: 10.1007/s15010-021-01599-5 PB - Springer Science and Business Media LLC VL - 49 IS - 5 SP - 889 EP - 905 Y2 - 2024/12/22 ER -