Cite
APA Citation
Unger-Hamilton, W., Burgess, D., Clark, D., Assinder, F. R. S. C., Baldwin, S. J., Bowerbank, A. G., Elwell, J. R., Newmark, J., Simon, J., Thomas, T. P., Tooth, E., & Hill, R. A. (1969). green Paper. BMJ, 1(5635), 58. http://access.bl.uk/ark:/81055/vdc_100142181179.0x00000c