00493nam a22001217a 4500020002400000082001900024100002700043245005600070260004600126300003400172500006300206650010200269  a9788120345201 (pbk)  a610.15195bSUN  aSundar RaoaJ. Richard  aIntroduction to biostatistics and research methods   aDelhibPHI Learning Private Limitedc2019  axii, 268 p.b: ill.c; 24 cm.  aIncludes bibliographical references, appendices and index.  aMedicine researchvFrequency distributionvStatistical methodsvProbabilityvSamplingvIIMCvFBSH