Kareem Emarah

2 Questions 4 Answers 0 Followers

Questions related from Kareem Emarah

When can I say that a drug tested on animal models is safe?

we are going to test a type of stem cells in a specific disease and expecting the results after six months. Is just not observing any abnormal signs and -of course- deaths in the models enough to...

26 May 2015 5,222 3 View

How can I calculate the sample size in a cross-sectional study with no previous literature?

I am doing a cross-sectional study to determine the incidence of keratoconus in a risk factor group (the case group-the exposed). There will be another one as control. How could I calculate the...

05 February 2015 5,381 7 View