Several Tools - Several Unique Features
Several Units - Several Weeks
Several Years - Severe ID
Severe Acute Respiratory Distress Syndrome - Severe Anaphylactic Reactions
Severe Anemia - Severe Atrophy
Severe Attacks - Severe Cases

Severe Cellulitis - Severe Clinical Phenotype
Severe Clinical Signs - Severe Conditions
Severe Congenital Neutropenia - Severe Defects
Severe Deficiency - Severe Diabetic Ketoacidosis
Severe Diarrhea - Severe Drought
Severe Dysplasia - Severe Erosion
Severe Events - Severe Frosts

Severe Functional Impairment - Severe Heart Failure
Severe Hemorrhage - Severe Hypoglycaemia
Severe LUTS - Severe Acute Pancreatitis