diff --git a/docs/src/instanduse.md b/docs/src/instanduse.md
index 885c983a..8769e6a4 100644
--- a/docs/src/instanduse.md
+++ b/docs/src/instanduse.md
@@ -76,6 +76,15 @@ fit!(lmm)
 lmm.log
 ```
 
+##### Type III Tests of Fixed Effects
+
+!!! warning
+    Experimental
+
+```@example lmmexample
+anova(lmm)
+```
+
 ### Model construction
 
 ```@docs
diff --git a/src/Metida.jl b/src/Metida.jl
index 3b5caeb0..c28a43ee 100644
--- a/src/Metida.jl
+++ b/src/Metida.jl
@@ -25,7 +25,7 @@ TOEPP, ToeplitzParameterized,
 TOEPH, HeterogeneousToeplitz,
 TOEPHP, HeterogeneousToeplitzParameterized,
 CovarianceType, CovmatMethod,
-fit!, LMM, VarEffect, theta, logreml, m2logreml, thetalength, dof_satter, dof_contain, rankx, caic, lcontrast,
+fit!, LMM, VarEffect, theta, logreml, m2logreml, thetalength, dof_satter, dof_contain, rankx, caic, lcontrast, anova,
 gmatrix, rmatrix, vmatrix!,
 AbstractCovarianceType, AbstractCovmatMethod, MetidaModel