The area on the central portion of each lung where the primary bronchus, arteries, veins, and nerves enter and exit the lung is called a ________

Chiropractic manipulation of head, indirect visceral

Select the correct PCS codes: A) 9WB0XBZ B) 9WB0XCZ C) 9WB0XDZ D) 9WB0XFZ

Epidural blocks are the injection of an anesthetic agent into the ____________________ space above the dura mater.?

Fill in the blank(s) with correct word