A doctor is listening to a patient's chest using a stethoscope. He can hear it saying, "... to get to the other side! A priest, a rabbi and a minister walk into a bar... knock, knock..." The doctor tells the patients, "Well, it's annoying but nothing serious."
https://cdn.mastodon.org.uk/media_attachments/files/112/814/417/429/348/064/original/6a7abd8fa6f9b5ce.gif