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.
Empirical distributions of data sets obtained from triplicate faecal float counts of 100 seeded Ascaris, Trichuris and N. americanus eggs in parasite-free faeces using four specific gravity concentrations of sodium nitrate solution.
