[More than one--twins and ultrasound studies. A retrospective study].
Lobell
A
A
Ultraljudsavdelningen, Barn-Kvinno-Centrum, Universitetsjukhuset i Linköping.
Lindquist
A M
AM
D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012189:Retrospective Studies; D014427:Twins; D016216:Ultrasonography, Prenatal
Fler än en--tvillingar och ultraljudsundersökning--en retrospektiv studie.