00358nam a2200145Ia 45000030006000000080041000060400015000471000034000622450055000962500006001512600020001573000006001775460012001830050017001950STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRichard, J;Sundar Rao, P.S.S.  aIntroduction to Biostatistics and Research Methods  a4  c2009aNew Delhi  a0  aEnglish20220125170323.0