Beginning on page 1732, the following article is reprinted in its entirety to avoid any possible confusion concerning its contents. In making up the pages for the July 1976 issue, the figures were inadvertently transposed.
Vol. 117, No. 1, 115–123.
Identification of T and B Cell Subpopulations in Human Peripheral Blood: Electrophoretic Mobility Distributions Associated with Surface Marker Characteristics. Joel H. Kaplan and E. E. Uzgiris.