Lancet. 1949 May 21;1(6560):849-59. doi: 10.1016/s0140-6736(49)92350-8.
Lancet (London, England)
B W LACEY
PMID: 18128661 DOI: 10.1016/s0140-6736(49)92350-8
[No abstract available.]
Keywords: POLIOMYELITIS/history