Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Regression of skull size (lnCS) on age (months). Unaffected: open black circles; BCS: green open squares; LUCS: full blue diamonds; RUCS: full red triangles. Logarithmic fitting is represented for unaffected (black curve), BCS (green curve), LUCS (blue curve), and RUCS (red curve).
