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.
Changes in body weights of silkworms. ^, control; •, 1 very-low-dose sheet (γ-ray rate: 1.7 μSv/h); □, 4 very-low-dose sheets (4.1 μSv/h); ▪, 1 low-dose sheet (13.4 μSv/h); ×, 2 low-dose sheets (22.4 μSv/h). n = 50 for each group. Data represent mean and standard errors.
