URMC / Encyclopedia / Collection Galactosemia Gallbladder Scan Gallium Scan Gamma Knife Radiosurgery Gamma-Glutamyl Transpeptidase Gastric Banding Surgery for Teens Gastric Restrictive Surgery Gastrin Gene Mutation for Cystic Fibrosis in Newborns (Blood) Giardia Antigen (Stool) Glomerular Filtration Rate Glucose (Blood) Glucose (Cerebrospinal Fluid) Glucose (Urine) Glucose Tolerance Glucose-6-Phosphate Dehydrogenase Gonorrhea (Swab) Gonorrhea (Urine) Gonorrhea Culture (Discharge) Growth Hormone (Blood) Growth Hormone Antibody Growth Hormone with Stimulation (Blood) Growth Hormone with Suppression (Blood)