Research Article
Animal Study on Primary Dysmenorrhoea Treatment at Different Administration Times
Figure 6
Effects of PGF2α and PGE2 ratio at different administration times on dysmenorrhoea mice. Values are means ± SD () and significant difference compared with control group; , model control group versus normal control group; , 6 d and 3 d groups versus model control group; Yuanhu Zhitong tablet group versus model control group only in three cycles .