n.

(medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

anything that accompanies X and is regarded as an indication of X's existence

Negative symptoms in schizophrenia. Definition and reliability
Appraisal, coping, health status, and psychological symptoms
The Eating Attitudes Test: an index of the symptoms of anorexia nervosa.
Depressive signs and symptoms in schizophrenia: a prospective blinded trial of olanzapine and haloperidol.
Predictors of posttraumatic stress disorder and symptoms in adults: a meta-analysis.
The Scale for the Assessment of Negative Symptoms (SANS): conceptual and theoretical foundations.
Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms.
Worldwide time trends in the prevalence of symptoms of asthma, allergic rhinoconjunctivitis, and eczema in childhood: ISAAC Phases O...
Neurons derived from reprogrammed fibroblasts functionally integrate into the fetal brain and improve symptoms of rats with Parkinso...
Population-Based Survey of Urinary Incontinence, Overactive Bladder, and Other Lower Urinary Tract Symptoms in Five Countries: Resul...