“…How far can one stretch the credible meaning of ‘contemporary references’ with the apparent preference of biomedical scholars to cite highly cited papers [ 1 , 2 ]? This bias could lead to unintended consequences, such as “sins of omission” with, in extreme cases, consequences relating to the validity of results [ 3 , 4 ], up to what Congress termed "minimal risk" as a guidance for review boards as they consider the approval of procedures [ 5 ].…”