00336nas a2200133   4500000000100000008004100001100002100042700001400063700001600077700001300093245008000106300000900186490000700195       1999                            d1 aSatterthwaite P.1 aLarmer P.1 aRobinson E.1 aNorton R00aRisk factors for injuries and other health problems sustained in a marathon  a22-60 v33