--- a
+++ b/B_cell/README.md
@@ -0,0 +1,9 @@
+# Analysis notebooks for B cell sections
+
+Analysis notebooks for the manuscript.
+
+<a href="https://sc-dandelion.readthedocs.io/" rel="dandelion"><img src="https://github.com/zktuong/dandelion/blob/master/docs/notebooks/img/dandelion_logo.png" height="100"></a>
+
+Please refer to the [documentation](https://sc-dandelion.readthedocs.io/) or [github repository](https://github.com/zktuong/dandelion) for more information on *dandelion*. 
+
+`requirements.txt` specifies the python dependencies in a conda environment.