â¤0.2 mg/dL. Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders.
Ritchie Valens. In an all too brief career, Ritchie Valens was the first Chicano rock and roll star, having his best remembered hit, La Bamba, just one month before his untimely death with Buddy Holly and the Big Bopper on February 3, 1959.
Many said they had known Valens, or were related. Ritchie Valens Day hit Pacoima Junior High School like a tropical wave, breaking into an explosion of warm and noisy energy, dissolving into an intricate lace of foam. Underneath, though, it stirred strong feelings in a community that isn't used to outsiders coming to praise its heroes.