Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OUDEN ALD,The relation between neonatal thyroxine levels and neuro-developmental outcome at age 5 and 9 years in a national cohort of very preterm and/or very low birth weight infants,Pediatr Res,,,1996,39,,142-145,https://cir.nii.ac.jp/crid/1570854175039223168,