erc: who: Baker, Marilyn what: Texas State Journal of Medicine, Volume 60, Number 1, January 1964 when: 19640100 where: https://texashistory.unt.edu/ark:/67531/metapth599863/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/