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.
Analysis of dose-dependent effects of methylxanthines. The expression of APH1b, ALS2, A2M, CASP4, ACHE and CASP4 are plotted against the concentrations of caffeine (A), theophylline (B), theobromine (C) and propentofylline (D) in diagrams, respectively. The Pearson correlation coefficient r and the corresponding p-value are shown for each gene.
