Step for clinical trials (5)
I believe the answer is:
phase
(Other definitions for phase that I've seen before include "Distinct period in development" , "Distinct stage" , "Shape (anag.)" , "Truman -, US novelist" , "Any distinct time period" .)
I believe the answer is:
phase
(Other definitions for phase that I've seen before include "Distinct period in development" , "Distinct stage" , "Shape (anag.)" , "Truman -, US novelist" , "Any distinct time period" .)