Studied sample (8)
I believe the answer is:
specimen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">studied sample</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for specimen that I've seen before include "Person critically" , "Typical example - sample" , "Something serving as an example" , "Individual example" , "blood sample" .)