July 01, 2020 article Aachen paper Something is missing. PubMed, vol. 78, pp. 212 OpenAlex Authors 2 J Hanssen Aachen Department of Internal Medicine Alrijne Ziekenhuis Affiliation as printed Department of Internal Medicine, Alrijne Hospital, Location Leiderdorp, the Netherlands E Planken Cited by 0 stored of 0 References 0