Fetal crown-rump length: reevaluation of relation to menstrual age (5-18 weeks) with high-resolution real-time US.
Hadlock, F P, Shah, Y P, Kanon, D J, Lindsey, J VVolume:
182
Language:
english
Journal:
Radiology
DOI:
10.1148/radiology.182.2.1732970
Date:
February, 1992
File:
PDF, 982 KB
english, 1992