Editing Byron Nelson (section)

====World War II years====
Nelson had a blood disorder that caused his blood to clot four times slower than normal, which kept him out of military service during [[World War II]]. It has sometimes mistakenly been reported that he had [[hemophilia]].<ref>{{cite book |last=Nelson |first=Byron |title=How I Played the Game |year=1993 |publisher=Taylor Trade Publishing |isbn=978-0-87833-819-1 |url=https://archive.org/details/isbn_9780878338191 }}</ref> During the war, Nelson gave hundreds of golf exhibitions across the country to raise money for charitable causes, often partnering with [[Harold "Jug" McSpaden]], who was also exempt from military service.<ref name="ReferenceA"/>