A 58-year-old woman comes to the physician because of intermittent vaginal bleeding during the past three months

A 17-year-old boy comes to the ER because of severe thirst, weakness and weight loss after a trip to Thailand

A two-year-old boy is brought to the emergency department because of shortness of breath and left sided abdominal pain for three hours

A four-year-old boy with delayed motor development and choreoathetosis

A 37-year-old man comes to the physician because of a six month history of chest pain that occurs when he swallows food

A five month old girl has bilateral retinoblastoma. One of the arms of chromosome 13 appears to be cut off or shortened

832-year-old woman with schizophrenia is brought to the physician because of rapid heartbeats, sweating, muscle rigidity and confusion for one day

A 25-year-old woman is brought to the emergency department one hour after she fainted

A 30 year-old woman has anxiety about episodes of abdominal pain that have alternated with diarrhea and constipation over the past year

Vascular control is studied in an intact hind extremity of an anesthetized experimental animal