відпустка через хворобу
absent without leave / absence without official leave (AWOL)
sick absence
sick quarters
sick parade
admissions to sick report
nonbattle admissions to sick report
nonbattle sick and injured
ambulant sick
ride the sick
sick book
sick call
sick casualty
sick evacuation
sick inspection room
sick lame and lazy
sick rate
sick report
sick slip
sick squad
sick voucher
sick-book rider
sick-сall list
break leave
compassionate leave
involuntary absence without leave
leave (of absence)
leave the colors
leave without pay
overstay one's leave
rest and rehabilitation leave
application for leave
lump-sum leave payment