Accused testifying upon preliminary matter. Other issues in proceedings, prohibited. Rules of evidence, §24-1-104. Bills for medical expenses. Witness identifying, §24-9-921. Court called witness, §24-6-614. Evidence of character or trait of character. Inquiry as to specific instances of conduct, §24-4-405. Generally, §24-6-611. Leading questions, §24-6-611. Medical report in narrative form. Person signing, §24-8-826. Refreshing recollection. Writing used while or before testifying, §24-6-612. Right, §24-6-611. Several parties with distinct interests, §24-6-611. Expert witnesses generally, §§24-7-701 to 24-7-706. Feelings towards and relationship to parties. Permitted to be proved for consideration of jury, §24-6-622. Harsh or insulting demeanor. Protection from, right, §24-6-623. Hearsay generally, §§24-8-801 to 24-8-807. EXAMINATION OF WITNESSES —Cont’d Hostile witnesses. Leading questions, §24-6-611. Impeachment. Any party may attack credibility, §24-6-607. Contradiction, §24-6-621.