added raw image info

Author: Ricardo Ramírez

README.md

@@ -26,6 +26,9 @@ Mirrors of data present in the Human Cell Atlas Data Portal and cellxgene are av
 **Cell-states:**
 R objects containing the cell-state descriptions in the manuscript can be downloaded from the following Zenodo link: https://zenodo.org/record/7098004#.Y0P_LC0RoeY
 
+**Raw images**
+Raw images of the analyzed slides can be found [here] (https://zenodo.org/record/6778620#.Y0P_quzvB44)
+
 **European Genome-Phenome Archive:**
 EGA Accession number is [EGAS00001006330](https://ega-archive.org/studies/EGAS00001006330)