15a. That is, Latin (2,3) *D/*S*. 22a. Adherence to an esoteric quasi-mystical fraternity (14) R*************. 26a. Hinged joint in medical terminology (9) *****Y*U*. 42a. Brand name for a preparation of epinephrine(9) *D***A*I*. Thanks in advance.
Think, not entirely sure, have not the paper in front of me either, that maybe 14 across is Reductionists - wait here to discover the answer for sure :-) Bea:-)