00338nam a2200133 a 450000500170000002000180001708200190003510000190005424500350007326000360010830000210014450000190016570000200018420251203111657.0  a9789144017198  a570.15195bHAM  aHammar, Niklas  aShort course in biostastistics  aNew DelhibOverseas Pressc2008  a156p.c22cm.bPB  aincludes index  aPersson, Gunnar