Four Minimum Criteria for Validity

[@yuvarajraj6579]

Sir how to collect the case...
It means the origin.....the first source...how and where....and when

[@VigiServeAcademy]

Please check this: ua-cam.com/video/DtCATWo7Y_Q/v-deo.html

[@ranjitaseemakurthy5880]

Sir, is example 4 is a valid case? As there are two patients in one case

[@VigiServeAcademy]

yes these are two valid case reports

[@ranjitaseemakurthy5880]

@@VigiServeAcademy ok sir, Thankyou.