TY - JOUR JA - Front Physiol JO - Frontiers in Physiology PY - 2021 SN - 1664-042X VL - 12 AU - Xue X AU - Ali YF AU - Luo W AU - Liu C AU - Zhou G AU - Liu NA DO - 10.3389/fphys.2021.643943 LA - en N1 - FEMU ID: 44588; EMF-Portal URL: https://www.emf-portal.org/en/article/44588 SP - 643943 TI - Biological Effects of Space Hypomagnetic Environment on Circadian Rhythm UR - https://www.frontiersin.org/articles/10.3389/fphys.2021.643943/pdf ER -