laboratory tests: abnormal level of medicinal/biological substances in specimens from digestive organs/abdominal cavity
laboratory tests: abnormal level of medicinal/biological substances in specimens from digestive organs/abdominal cavity
laboratory tests: abnormal level of medicinal/biological substances in specimens from digestive organs/abdominal cavity (lab test)
laboratory tests: abnormal level of medicinal/biological substances in specimens from digestive organs/abdominal cavity (lab test)