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 ### Examination of single cells from primary human pancreas tissue
 cells: 2,544  
 tissue(s): pancreas  
-data: [GEO Series GSE81547](https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE81547)  
+data: [Human Cell Atlas Data Portal](https://prod.data.humancellatlas.org/explore/projects?filter=%5B%7B%22facetName%22%3A%22organ%22%2C%22terms%22%3A%5B%22pancreas%22%5D%7D%2C%7B%22facetName%22%3A%22project%22%2C%22terms%22%3A%5B%22Single+cell+transcriptome+analysis+of+human+pancreas%22%5D%7D%5D)  
 paper: [Enge, Martin, et al.](https://www.cell.com/cell/fulltext/S0092-8674(17)31053-X?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS009286741731053X%3Fshowall%3Dtrue)
 
 ### Tabula Muris
 cells: 53,800  
 tissue(s): muscle, pancreas, bone, large intestine, heart, brain, fat, mammary gland, tongue , diaphragm, bladder, spleen, thymus, lung , skin, liver, trachea, kidney  
-data: [Tabula Muris Data for Python](https://github.com/czbiohub/tabula-muris-vignettes/tree/master/data)  
-paper: [Tabula Muris Consortium.](https://www.nature.com/articles/s41586-018-0590-4)  
+data: [Tabula Muris Data](https://github.com/czbiohub/tabula-muris-vignettes/tree/master/data)  
+paper: [Tabula Muris Consortium](https://www.nature.com/articles/s41586-018-0590-4)  
 
 ### Transcriptional profiling of 1.3 million brain cells
 cells: 1,330,000