%0 Journal Article %T National Very Preterm Infant Register imbedded in the Medical Birth Register in Finland %A Lehtonen, Liisa %A Helenius, Kjell %A Gissler, Mika %J Pediatric Medicine %D 2021 %B 2021 %9 %! National Very Preterm Infant Register imbedded in the Medical Birth Register in Finland %K %X %U https://pm.amegroups.org/article/view/6630 %V 6 %P %@ 2617-5428