@article {ckgcd69, title = {Factors influencing response of volunteers to inoculation with Coxsackie virus A type 21}, journal = {The American review of respiratory disease}, volume = {99}, year = {1969}, pages = {1}, author = {Couch, R. B. and Knight, V. and Gerone, P. J. and Cate, T. R. and Douglas, R. G.} }