Simonsen AC, Johansson PI, Conlan MG, Jacquet M, Lin JS, Junge K, Lin L, Sørensen H, Borregaard N, Flament J. Transfusion of 7-day-old amotosalen photochemically treated buffy-coat platelets to patients with thrombocytopenia: a pilot study. Transfusion. 2006 Mar;46(3):424–33. doi: 10.1111/j.1537-2995.2006.00739.x. PMID: 16533286.