Hypothalamic–pituitary–adrenal dynamics in early-stage COVID-19 observed in a case with arginine vasopressin deficiency. - Kirikae, Hinako; Tezuka, Yuta; Okamoto, Michiko; Furuta, Ginji; Omata, Kei; Ono, Yoshikiyo; Tanaka, Tetsuhiro; Satoh, Fumitoshi (BMC Endocrine Disorders, 2025)