TY  - RPRT
TI  - First-trimester fetal biometry using transvaginal sonography.
AU  - D M Lasser
AU  - D B Peisner
AU  - J Vollebergh
AU  - I Timor-Tritsch
PY  - 1993
DO  - 10.1046/j.1469-0705.1993.03020104.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12797302/
ID  - 12797302
ER  -