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.
Classification tree analysis for FeLV viraemia. Legend: Class: 0 = negative for FeLV; 1 = positive for FeLV. EU = Europe: N, North; W, West; E, East; S, South. Access: A, Indoor only; B, Indoor and outdoor; C, Outdoor only; D, Not sure. Pedigree: Y, Yes; N, No.
