00394nam a2200145Ia 4500008004100000020001500041082001600056100002000072245004600092260004000138300000800178650001600186650001800202653002800220170901s1979    xx            000 0 und d  a0470267445  a519.5bO71S  aOsborn, John F. 0aStatistical Exercises in Medical Research  aNew YorkbJohn Wiley and Sonsc1979  a154  aMathematics  aPure Sciences  aMathematical statistics