* guix/import/cran.scm (%bioconductor-version, %bioconductor-packages-list-url): New variables. (bioconductor-packages-list, latest-bioconductor-package-version): New procedures.
* guix/import/cran.scm (%bioconductor-version, %bioconductor-packages-list-url): New variables. (bioconductor-packages-list, latest-bioconductor-package-version): New procedures.