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.
Avidin visible fluorescent spots. Positive spots were counted as a proportion of sperm seen with visible light. Asterisk indicates a significant difference p < 0.001. Abbreviations: R = room temperature; H = Heated; F = Snap-frozen; Cont = control; Avi = Avidin; Str = Streptavidin; Nut = NeutrAvidin.
