by Lloyd, Mark L, Olsen, Ward A
Published in The New England journal of medicine (19.02.1987)

by Perry, Mark L
Year of Publication 2008

by LLOYD, MARK L
Year of Publication 22.04.1991

by LLOYD, MARK L
Year of Publication 22.04.1991

by Witte, John T., Icken, James N., Lloyd, Mark L.
Published in Gastrointestinal endoscopy (01.11.1989)

by Puckett, John L, Lloyd, Mark
Year of Publication 2015

by Li, B U K, Lloyd, Mark L, Shug, Austin L, Olsen, Hard A
Published in Pediatric research (01.04.1987)