Stimes 4978

[nain05]

16dn Guerilla in a strap after being injured [8] ?A?M????
24acc Campman who's good with a contrary girl [6] ??A?A?
15dn Blood group training helping in surgery [9] O?E?A?I?? Operation ??
27 acc Ancient royal on a slide messed about [8] ?E?????S
19dn Country song mostly welcomed by Atlantic [6] ?O?A??
Many thanks for your help

[Lie-in King]

16d Partisan - anag 'in a strap'
24a Stalag - 's(ain)t' (man who's good) + 'a' + 'gal' (contrary; back)
15d Yes - Operation - 'O (blood group) PE (training) ration (helping)'
27a Leonidas - anag 'on a slide'
19d Poland - 'la(y)' (song, mostly, in) 'pond' (Atlantic)