Pathology and laboratory medicine.
Reddick
R L
RL
University of North Carolina, Chapel Hill.
McLendon
W W
WW
D019411:Clinical Laboratory Techniques / Q000639:trends*; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D010336:Pathology / Q000379:methods / Q000639:trends*; D011247:Pregnancy; D014481:United States