RT Journal Article SR Electronic T1 The Filament-Nonfilament Count JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 59 OP 77 VO 1 IS 2 A1 Mullin, William V. A1 Large, Gordon C. YR 1932 UL http://www.ccjm.org/content/1/2/59.abstract AB