Choose the correct relative pronoun from the parentheses and write it in the blank.

1		The physician (who / which / whose) treated the patient was Dr. Andrews.
2		Aspirin, (who / which / whose) is a pain reliever, is a common treatment for headaches.
3		A rubber hammer is a tool (who / which / whose) is used for testing reflexes.
4		Some prehistoric people (who / which / whose) lived in Europe in about 10,000 B.C. performed brain operations.
5		The woman thanked the doctor (who / which / whose) treatment had cured her.
6		Dr. Carlson, (who / which / whose) works with Dr. Fox, specializes in radiology.
7		Mumps and chicken pox, (who / which / whose) are diseases caused by viruses, are not treated with antibiotics.
8		The villagers gave a gift to the pharmacist (who / which / whose) secret medicine had cured their mysterious disease.