Nice analysis integrating bulk & single-cell data, to get at inter-individual differences in the expression of genes in specific
cell types https://academic.OUP.com/bioinformaticsformatics/article/36/3/782/5545976
Using multiple measurements of tissue to estimate subject- and cell-type-specific gene expression
https://academic.oup.com/bioinformatics/article/36/3/782/5545976