TY - BOOK AU - Bertenius,Bertel Svensson TI - On the problem of poliomyelitis: an epidemiological-statistical study AV - RJ496.P2 B43 1947 PY - 1947/// CY - Lund PB - C. Blom N1 - Extra t.-p., with thesis statement, inserted; Tr. by Bert Hood; Errata slip inserted; Akademisk avhandling - Lund; "References": p. [204]-212 ER -