Geometric distortion of the roentgen image and its correction; the central nervous system; the neck; the skeletal system - the skull, skeletal maturation, the spine, the upper extremity, the pelvis and the hip, the lower extremity; the respiratory system and thymus; the cardiovascular system; the gastrointestinal system; the spleen, the pancreas, the adrenal glands and the retroperitoneum; the urinary tract; pelvimetry and foetometry; the metric system.
