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.
On Feb 2, 1959, rock stars Buddy Holly, Ritchie Valens and Big Booper performed at Surf Ballroom in Clear Lake, Iowa. Shortly after midnight, the three rock stars took off in a charted plane that promptly crashed on take off, killing the pilot and the three rock stars.