Viktor Hamrefors

Long COVID: major findings, mechanisms and recommendations

Increased prevalence of cardiac autonomic dysfunction at different degrees of glucose intolerance in the general population: the KORA S4 survey

Functional autoantibodies against G-protein coupled receptors in patients with persistent Long-COVID-19 symptoms

De-novo development of fragmented QRS during a six-month follow-up period in patients with COVID-19 disease and its cardiac effects

The face of postural tachycardia syndrome – insights from a large cross‐sectional online community‐based survey

Multisystem Involvement in Post‐Acute Sequelae of Coronavirus Disease 19

Diabetic Neuropathy: A Position Statement by the American Diabetes Association

Proteomic analysis reveals sex-specific biomarker signature in postural orthostatic tachycardia syndrome

Soluble Urokinase Plasminogen Activator Receptor

Serum Activity Against G Protein–Coupled Receptors and Severity of Orthostatic Symptoms in Postural Orthostatic Tachycardia Syndrome

Syndromes of orthostatic intolerance and syncope in young adults