fetal monitoring
fetal movement
fetal organs
fetal origin
fetal origins
fetal outcome
fetal period
fetal plasma
fetal rats
fetal rejection
fetal relationship
fetal response

fetal samples
fetal sheep
fetal side
fetal stages
fetal status
fetal survival
fetal testis
fetal thymus
fetal tissues
fetal weight
fetoplacental unit
fetoprotein
fetoprotein level

fetus
fetuses
fever
fever lasting
fever mosquito
fever syndromes
fever vaccine
fever virus
few
few case reports
few cases
few cells
few changes

few compounds
few days
few decades
few degrees
few enzymes
few examples
few exceptions
few generations
few genes
few hours
few individuals
few kilometres
few loci

few metres
few micrometers
few millimeters
few milliseconds
few minutes
few months
few nanometers
few parameters