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.
Lipid classes levels (A) and ratios (B) in the gills of horse mussels under low (L), medium (M), and high (H) crude oil concentrations. Values are means ± standard error (n = 5). * significant results in comparison with initial level; 1, 3—significant results in comparison with the first and third days of exposure. Differences were estimated by the nonparametric Kruskal–Wallis test, p < 0.05.
