00361nam a22001457a 4500020001800000082001300018100001800031245003400049250001200083260002700095300001300122524003900135654002300174700001800197  a9789383124275  a613bSRE  aSreejith, P S  aCommunity medicine simplified  a1st ed.  aHyderabadbParasc2015  a1-701 p.  aDr.Saju C.R,HOD,Community Medicine  aCommunity Medicine  aSreejith, P S