| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
|---|---|
| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| CDH | 1) Chronic Daily Headache = CTH = ... |
| CTH | Chronic Tension Headache |
| DCH | Daily Chronic Headache |