Some help will be appreciated for the following, please:
ACROSS:
4 Before starting treatment mention new remedy(8)
?????A??
19 Where the Ark went fast(6): ???R??
21 Indisposed to be criticized? ( 3,4 ): R??????
DOWN:
5 Formally dressed Italians lacking a change (2,5 )
??T????
6 Organ movement ( 10 )
18 Around noon, top fighter pilots attempt descent( 8 ): ???M?T?Y
Many thanks in advance!