منابع مشابه
Repeat Concussions in the National Football League
BACKGROUND Repeat concussion is an important issue in the National Football League (NFL). An initial description of repeat injuries was published for 6 years (1996-2001). HYPOTHESIS The characteristics and frequency of repeat concussion in the NFL have not changed in the subsequent 6 years (2002-2007). STUDY DESIGN Case control. METHODS From 1996 to 2007, concussions were reported using a...
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Midfoot sprains in the National Football League (NFL) are uncommon. There are few studies on midfoot sprains in professional athletes, as most studies focus on severe traumatic injuries resulting in Lisfranc fracture-dislocations. We conducted a study to evaluate midfoot sprains in NFL players to allow for better identification and management of these injuries. All midfoot sprains from a single...
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We describe the problem of scheduling the television broadcasts of the U.S. National Football League (NFL). Unlike traditional round-robin tournament scheduling, the NFL problem involves assigning games to broadcast slots under various complex constraints while attempting to satisfy a set of user preferences. As well, a mixed-initiative functionality was required to allow the user to control an...
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As early as 1736, the Royal College of Physicians submitted to Parliament a representation concerning the excessive consumption of spirituous liquors. No further authoritative statement was made for nearly a century, by which time the first Temperance and Total Abstinence societies had been formed. Many medical men were happy to support the call for moderation and a number of societies issued d...
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This paper builds an economic model of referee behavior in the National Hockey League using period-specific, in-game data. Recognizing that referees are influenced by a desire for perceived fairness, this model isolates situations where a referee is more likely to call a penalty on one team. While prior research has focused on a systematic bias in favor of the home team, we find that referee bi...
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ژورنال
عنوان ژورنال: BMJ
سال: 1913
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.2745.328