TY - JOUR AU - Schuetz, Philipp AU - Gregoriano, Claudia AU - Keller, Ulrich PY - 2021/05/19 Y2 - 2024/03/28 TI - Supplementation of the population during the COVID-19 pandemic with vitamins and micronutrients – how much evidence is needed? JF - Swiss Medical Weekly JA - Swiss Med Wkly VL - 151 IS - 1920 SE - Viewpoint DO - 10.4414/smw.2021.20522 UR - https://smw.ch/index.php/smw/article/view/3004 SP - w20522 AB - ER -