Translations:Advanced Field Epi:Manual 1 - Disease Investigation/28/en

Number at risk = 1000 - 0.5*400 - 0.5*20 = 790

Diperoleh dari "http://wiki.isikhnas.com/index.php?title=Translations:Advanced_Field_Epi:Manual_1_-_Disease_Investigation/28/en&oldid=36891"