00327    a2200133   4500020001500000082001300015100002300028245002400051260004600075300001600121650001600137700001800153700002200171  a0669041629  a510bRUC  aRucker, Walter E.   aHealth mathematics   aTorontobD. C. Health Companyc1983g1983  a442p.c24cm  aMathematics  aLowry, David   aDilley, Clyde A.