Schnapp, C <br/><br/>
[Gestational age and real-time echography. I. Analysis of crown-rump length and parietal diameter in the first 2 trimesters of pregnancy].  [electronic resource] 

 -  Revista chilena de obstetricia y ginecologia  1979 
 - 226-32 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0048-766X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Fetus--anatomy & histology<br/>Gestational Age<br/>Humans<br/>Pregnancy<br/>Pregnancy Trimester, First<br/>Pregnancy Trimester, Second<br/>Ultrasonography