long-term tests
long-term therapy
long-term toxicity
long-term tracheostomy
long-term treatment
long-term treatment outcome
long-term trends
long-term trials
long-term unemployed
long-term unemployment
long-term urinary catheter
long-term use

long-term users
long-term value
long-term variability
long-term variation
long-term viability
long-term video-EEG monitoring
long-term visual outcome
long-term weight loss
long-time survival
long-toed salamanders
long-wave radiation
long-wave ultraviolet
longer

longer chains
longer delays
longer development times
longer disease-free survival
longer disease duration
longer distances
longer duration
longer exposure
longer exposure times
longer follow-up
longer follow-up period
longer growing season
longer half-life

longer history
longer horizons
longer hospital stay
longer hours
longer incubation
longer incubation periods
longer incubation time
longer intervals
longer lag time
longer latency
longer leaves
longer length
longer life

longer life expectancy
longer lifetime
longer LOS
longer mixing time
longer ones
longer OS