{Reference Type}: Letter {Title}: Homozygosity for R47H in TREM2 and the Risk of Alzheimer's Disease. {Author}: Stefansson H;Walters GB;Sveinbjornsson G;Tragante V;Einarsson G;Helgason H;Sigurðsson A;Beyter D;Snaebjarnarson AS;Ivarsdottir EV;Thorleifsson G;Halldorsson BV;Norddahl G;Styrkarsdottir U;Sturluson A;Holm H;Helgason A;Moore K;Eggertsson HP;Oddsson AH;Jonsdottir GA;Gunnarsson AF;Bjornsdottir G;Gisladottir RS;Thorgeirsson TE;Skuladottir A;Gudbjartsson DF;Sulem P;Jonsson P;Thordardottir S;Snaedal J;Eyjolfsdottir H;Creese B;Ballard C;Corbett A;Vasconcelos Da Silva M;Aarsland D;Andreassen OA; ;Selbæk G;Djurovic S;Stordal E;Fladby T;Haavik J;Igland J;Giil LM;Eriksson S;Hallmans G;Lövheim H;Lopatko Lindman K;Trupp M;Forsgren L;Werge T;Banasik K;Brunak S;Ullum H;Frikke-Schmidt R;Ostrowski SR; ;Didriksen M;Sørensen E;Simonsen AH;Nielsen JE;Waldemar G;Pedersen OB;Erikstrup C;Knowlton KU;Nadauld LD;Stefansson K; ; {Journal}: N Engl J Med {Volume}: 390 {Issue}: 23 {Year}: 2024 Jun 20 {Factor}: 176.079 {DOI}: 10.1056/NEJMc2314334