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Kröger L, Brander E, Korppi M, Wasz-Höckert O, Backman A, Kröger H, Launiala K, Katila ML.Kröger L, et al. Among authors: backman a.Pediatr Infect Dis J. 1994 Feb;13(2):113-6. doi: 10.1097/00006454-199402000-00007.Pediatr Infect Dis J. 1994.PMID: 8190535
Wasz-Höckert O, Backman A, Brander E, Pasila M, Rapola J.Wasz-Höckert O, et al. Among authors: backman a.Bull Int Union Tuberc. 1976;51(1):251-3.Bull Int Union Tuberc. 1976.PMID: 1030292No abstract available.
WASZ-HOCKERT O, BACKMAN A.WASZ-HOCKERT O, et al. Among authors: backman a.Ann Paediatr Fenn. 1954-1955;1(1):91-8.Ann Paediatr Fenn. 1954.PMID: 13238979No abstract available.
WASZ-HOCKERT O, BACKMAN A.WASZ-HOCKERT O, et al. Among authors: backman a.Ann Med Exp Biol Fenn. 1956;34(4):433-7.Ann Med Exp Biol Fenn. 1956.PMID: 13444850No abstract available.