Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Heartstrings. University of Oxford, Dr P.Hales/BBSRC. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Heartstrings. University of Oxford, Dr P.Hales/BBSRC. Source: Wellcome Collection.