Nichols, Mark <br/><br/>
Comparing bimanual pelvic examination to ultrasound measurement for assessment of gestational age in the first trimester of pregnancy.  [electronic resource] 

 -  The Journal of reproductive medicine  Oct 2002 
 - 825-8 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.; Validation Study 
<br/><br/><label>ISSN: </label>0024-7758 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Induced--education<br/>Anthropometry<br/>Clinical Competence--standards<br/>Education, Medical, Graduate--standards<br/>Female<br/>Gestational Age<br/>Humans<br/>Internship and Residency--standards<br/>Linear Models<br/>Obstetrics--education<br/>Physical Examination--methods<br/>Pregnancy<br/>Pregnancy Trimester, First<br/>Prospective Studies<br/>Sensitivity and Specificity<br/>Single-Blind Method<br/>Ultrasonography, Prenatal--methods<br/>Vagina