diff --git a/png/spade_cd27.png b/png/spade_cd27.png
new file mode 100644
index 0000000..344e777
Binary files /dev/null and b/png/spade_cd27.png differ
diff --git a/png/spade_cd4.png b/png/spade_cd4.png
new file mode 100644
index 0000000..80d859d
Binary files /dev/null and b/png/spade_cd4.png differ
diff --git a/png/spade_cd45ra.png b/png/spade_cd45ra.png
new file mode 100644
index 0000000..b051558
Binary files /dev/null and b/png/spade_cd45ra.png differ
diff --git a/png/spade_cd45ro.png b/png/spade_cd45ro.png
new file mode 100644
index 0000000..401a903
Binary files /dev/null and b/png/spade_cd45ro.png differ
diff --git a/visio/metaanalysis.vsdx b/visio/metaanalysis.vsdx
new file mode 100644
index 0000000..d4618fa
Binary files /dev/null and b/visio/metaanalysis.vsdx differ