Medical Tests Sourcebook: Basic Consumer Health Information About Preventive Care Guidelines, Routine Health Screenings, Home-Use Tests, Blood, Stool, and Urine Tests, Genetic Testing, Biopsies, Endoscopic Exams, and Imaging Tests, Such as X-Ray, Ultrasound, Computed Tomography (CT), and Nuclear and Magnetic Resonance Imaging (MRI) Exams; Along With Facts About Diagnostic Tests for Allergies, Cancer, Diabetes, Heart and Lung Disease, Infertility, Osteoporosis, Sleep Problems, and Other Specific Conditions, a Glossary of Related Terms, and Directories of Additional Resources