Check the homocysteine level of any individual with folic-acid deficiency. If elevated, these patients may be at risk for deep vein thrombosis. Early detection allows for the use of such preventive measures as compression stockings and aspirin therapy to decrease platelet aggregation. — Gladys Ellis, FNP-BC, ARNP, Fort Pierce, Fla. (177-7)

These are letters from practitioners around the country who want to share their clinical problems and successes, observations and pearls with their colleagues. We invite you to participate. If you have a clinical pearl, submit it here.