The opinion
230 S.E.2d 676 (1976)
291 N.C. 323
Mary Frances MAZZUCCO and Geraldine Patton McClelland
v.
The NORTH CAROLINA BOARD OF MEDICAL EXAMINERS et al.
Supreme Court of North Carolina.
December 7, 1976.
William H. Elam, for plaintiffs.
Smith, Anderson, Blount & Mitchell, for defendant.
Petition by plaintiffs for discretionary review under GS 7A-31, 31 N.C.App. 47 , 228 S.E.2d 529 . Denied. Motion of the defendant to dismiss the appeal for lack of substantial constitutional question. Allowed.