HEMATOLOGY: hematocrit, hemoglobin, WBC count with differential, RBC count, platelet count CLINICAL CHEMISTRY: serum creatinine, BUN, glucose, AST(GOT), ALT(GPT), albumin, total bilirubin, total protein, and alkaline phosphatase HIV antibody, hepatitis B surface antigen, hepatitis C antibody screens URINALYSIS: by dipstick; full microscopic examination if dipstick positive URINE DRUG SCREEN: ethyl alcohol, amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine metabolites, opiates and phencyclidine SERUM PREGNANCY SCREEN (female subjects only) FOLLICLE STIMULATING HORMONE (FSH; female subjects only): verify postmenopausal status