Launes J, Hokkanen L, Laasonen M, Tuulio-Henriksson A, Virta M, Lipsanen J, Tienari PJ, Michelsson K. (2014) Attrition in a 30-year follow-up of a perinatal birth risk cohort: factors change with age. PeerJ 2:e480 http://dx.doi.org/10.7717/peerj.480
Hokkanen L, Launes J, & Michelsson K. (2014). Adult neurobehavioral outcome of hyperbilirubinemia in full term neonates—a 30 year prospective follow-up study. PeerJ, 2, e294. doi:10.7717/peerj.294
Hokkanen L, Launes J, Laasonen M, Virta M, TuulioHenriksson A, & Michelsson K. (2013) Cognitive Courses after Perinatal Emergencies: A 30 year Follow-up. Abstract for the INS Mid-Year Meeting 2013. J. Int. Neuropsychol. Soc. 19, 7–8.
Hokkanen L, Launes J, & Michelsson K. (2013). The Perinatal Adverse events and Special Trends in Cognitive Trajectory (PLASTICITY) - pre-protocol for a prospective longitudinal follow-up cohort study. http://f1000research.com/articles/2-50/v1
Michelsson K & Lindahl E. (1993) Relationship between perinatal risk factors and motor development at the ages of 5 and 9 years. In Kalverboer, A.F., Hopkins, B., & Geuze, R (eds) Motor development in early and later childhood: longitudinal perspectives. Cambridge University Press. doi:10.1017/CBO9780511663284.019
Lindahl E. (1988). Nine-year Follow-up of High-Risk Neonates. Doctoral thesis. University of Helsinki.
Lindahl E, Michelsson K, Donner M. Prediction of early school-age problems by a preschool neurodevelopmental examination of children at risk neonatally. Dev Med Child Neurol. 1988 Dec;30(6):723-34. PubMed PMID: 2466721.
Lindahl E, Michelsson K, Helenius M, Parre M. Neonatal risk factors and later neurodevelopmental disturbances. Dev Med Child Neurol. 1988 Oct;30(5):571-89.PubMed PMID: 2465930.
Michelsson, K., Lindahl, E., Helenius, M., & Parre, M. (1988). Five and Nine Year Check-up of 314 Children with Neonatal Hyperbilirubinaemia. Early Child Development and Care, 30(1-4), 167–180. doi:10.1080/0300443880300113
Michelsson K, Donner M, Lindahl E. Neurodevelopmental screening of 5-year-old children. Eur J Pediatr. 1988 Aug;147(6):664-5. PubMed PMID: 3181212.
Helenius, M. (1987). Writing disabilities and cognitive functions at the age of nine years in a neonatal high-risk group. Early Child Development and Care, 29(1), 69–77.
Michelsson, K. & Lindahl, E. (1987). School failure in a group of nine-year-old children who neonatally belonged to a high risk group. Early Child Development and Care, 29(1), 61–68.
Parre, M. (1987). Articulatory error in a group of children with neonatal risk factors. Early Child Development and Care, 29(1), 55–59.
Lindahl, E. & Michelsson, K. (1987). Prognosis of neonatal “at risk” infants at early school-age: A comprehensive outcome score as a measure of impairment. Early Child Development and Care, 29(1), 23–41.
Michelsson, K. & Ylinen, A. (1987). A neurodevelopmental screening examination for five-year-old children. Early Child Development and Care, 29(1), 9–22.
Lindahl E, Michelsson K. (1986) Neurodevelopmental significance of minor and major congenital anomalies in neonatal high risk children. Neuropediatrics. May;17(2):86-93. PubMed PMID: 3724993.
Parre, M. Ström. U. & Michelsson, K. (1985). Clinical Logopedics: a Diagnostical Review of Speech and Language Disorders in a Group of High-Risk Children. In Niemi, Jussi and Koivuselkä-Sallinen, Päivi (Eds.) Neurolinguistic Papers: Proceedings of the 2nd Finnish Conference of Neurolinguistics, Joensuu, Finland, 1985. AFinLA publications, 42, 125–132.
Michelsson K, Lindahl E, Parre M, Helenius M. (1984) Nine-year follow-up of infants weighing 1 500 g or less at birth. Acta Paediatr Scand. Nov;73(6):835-41. PubMed PMID: 6240892.
Michelsson K, Noronen M. (1983) Neurological, psychological and articulatory impairment in five-year-old children with a birthweight of 2000 g or less. Eur J Pediatr. Dec;141(2):96-100. PubMed PMID: 6686552.
Helenius M (1982) Diagnosticering och habilitering av en riskgrupp barn. Nordisk Psykologi 34(2):108-113 DOI:10.1080/00291463.1982.10636802
Parre M., Helenius M (1982) Habiliteringsprojekt för MBD-barn. Scandinavian Journal of Logopedics and Phoniatrics, 7: 52-57.
Michelsson K, Ylinen A, Donner M. (1981) Neurodevelopmental screening at five years of children who were at risk neonatally. Dev Med Child Neurol. Aug;23(4):427-33. PubMed PMID: 7274590.
Parre M (1980) Viisivuotiaitten riskiryhmälasten logopediset seulontatutkimukset [Logopedic screening of five year old children with neonatal risk factors]. Kirjassa Kielellinen kehitys ja sen häiriöt uusien tutkimusten kohteena [In: Language development and impaiment in focus of new research]. Suomen logopedis-foniatrisen yhdistyksen julkaisuja 13, 1-9.
Michelsson K, Ylinen A, Donner M. (1980) Seulontatutkimus MBD-oireyhtymien löytämiseksi 5-vuotiailla [Screening for MBD in five year olds]. Kirjassa Kielellinen kehitys ja sen häiriöt uusien tutkimusten kohteena [In: Language development and impaiment in focus of new research]. Suomen logopedis-foniatrisen yhdistyksen julkaisuja 13, 9-12.
Michelsson K, Ylinen A, Saarnivaara A, Donner M. (1978) Occurrence of risk factors in newborn infants. A study of 22359 consecutive cases. Ann Clin Res. Dec;10(6):334-6. PubMed PMID: 742834.