Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDEFINITIONS, TESTING PROCEDURES, ACCURACY, AND REPRODUCEABILITY.AuthorsÅSTRAND, PER-OLOFPublicationActa Paediatrica, 1971, Vol 60, Issue S217, p9ISSN0803-5253Publication typeArticleDOI10.1111/j.1651-2227.1971.tb05682.x