Reply to "Why the Timing?".
1 Northwestern University, Chicago, IL.
Jeanne M
JM
Horowitz
2 University of California, Davis, Sacramento, CA.
Melissa J
MJ
Chen
1 Northwestern University, Chicago, IL.
Helena
H
Gabriel
D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D010922:Placenta Diseases / Q000175:diagnosis*; D011247:Pregnancy