@book{518256, author = {Schneider, William H.}, title = {Quality and quantity :}, publisher = {Cambridge University Press,}, year = {1990.}, series = {Cambridge studies in the history of medicine}, address = {Cambridge :}, note = {Title from publisher's bibliographic system (viewed on 05 Oct 2015).}, url = {https://doi.org/10.1017/CBO9780511572937} }