314 A.2d 732 JAMES J. UHLIK, AN INFANT, ETC. ET AL. v. ADALBERT P. KOPEC, JR. No. 414, September Term, 1973.Court of Special Appeals of Maryland. Decided February 15, 1974. WITNESSES — Expert — Opinion Of — Admissibility — To Express Opinion Expert Witness Must Have Necessary Qualifications As Well As Factual Information Essential To […]