{Reference Type}: Case Reports {Title}: Lassa fever in the United States. Investigation of a case and new guidelines for management. {Author}: Holmes GP;McCormick JB;Trock SC;Chase RA;Lewis SM;Mason CA;Hall PA;Brammer LS;Perez-Oronoz GI;McDonnell MK; {Journal}: N Engl J Med {Volume}: 323 {Issue}: 16 {Year}: Oct 1990 18 {Factor}: 176.079 {DOI}: 10.1056/NEJM199010183231607 {Abstract}: