@article{doi:10.1001/archpedi.1949.02030040462003, author = {ROSS V}, title = {REsults of schick testing three years after the injection of protamine diphtheria toxoid}, journal = {American Journal of Diseases of Children}, volume = {77}, number = {4}, pages = {450-453}, year = {1949}, doi = {10.1001/archpedi.1949.02030040462003}, URL = { + http://dx.doi.org/10.1001/archpedi.1949.02030040462003}, eprint = {/data/Journals/PEDS/24063/archpedi_77_4_003.pdf} }