14d) Therapy in hospital in oddly bare surroundings (5) R????
16d) Superior skill includes organ-playing (8) A?R?????
18d) Key foodstuff of celebrity chef? Not half (6)
20a) A mint? It upset me at first and goes off eventually (4,4) ???? ??M?
24a) These conditions cover only a brief period (6) ????N?
All help greatly appreciated