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Rautava L, Lehtonen L, Peltola M, Korvenranta E, Korvenranta H, Linna M, Hallman M, Andersson S, Gissler M, Leipälä J, Tammela O, Häkkinen U; PERFECT Preterm Infant Study Group.Rautava L, et al. Among authors: tammela o.Pediatrics. 2007 Jan;119(1):e257-63. doi: 10.1542/peds.2006-1964.Pediatrics. 2007.PMID: 17200251
Tommiska V, Heinonen K, Lehtonen L, Renlund M, Saarela T, Tammela O, Virtanen M, Fellman V.Tommiska V, et al. Among authors: tammela o.Pediatrics. 2007 Jan;119(1):29-36. doi: 10.1542/peds.2006-1472.Pediatrics. 2007.PMID: 17200268
Peltoniemi OM, Kari MA, Tammela O, Lehtonen L, Marttila R, Halmesmäki E, Jouppila P, Hallman M; Repeat Antenatal Betamethasone Study Group.Peltoniemi OM, et al. Among authors: tammela o.Pediatrics. 2007 Feb;119(2):290-8. doi: 10.1542/peds.2006-1549.Pediatrics. 2007.PMID: 17272618Clinical Trial.