RT Journal Article SR Electronic T1 A Modification of the “Moorhead Technic” for Chromosomal Analysis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 233 OP 240 VO 30 IS 4 A1 Martha K. Keller A1 Robert D. Mercer YR 1963 UL http://www.ccjm.org/content/30/4/233.abstract AB