Update README.md

Author: samuel-marsh

README.md

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 # Marsh_et-al_2022_scRNAseq_Dissociation_Artifacts  
 
-[![license](https://img.shields.io/github/license/samuel-marsh/Marsh_et-al_2022_scRNAseq_Dissociation_Artifacts)](https://github.com/samuel-marsh/Marsh_et-al_2022_scRNAseq_Dissociation_Artifacts/blob/master/LICENSE)
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+[![license](https://img.shields.io/github/license/samuel-marsh/Marsh_et-al_2022_scRNAseq_Dissociation_Artifacts)](https://github.com/samuel-marsh/Marsh_et-al_2022_scRNAseq_Dissociation_Artifacts/blob/master/LICENSE)  
 
 #### Code to reproduce analysis objects for the data contained in:  
 ### [**Dissection of artifactual and confounding glial signatures by single cell sequencing of mouse and human brain (*Nature Neuroscience*, *in press*)**](LINK_TBD)