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.
Richard Steven Valenzuela (Ritchie Valens) Singer, Songwriter, 13 May 1941 - 3 Feb Died in plane crash in Iowa, at 17 years, with Buddy Holly & Big Bopper. Buried with his Mother in San Fernando Mission Cemetery, Mission Hills, California.