gopher://gopher.nlm.nih.gov:70/00/hstat/guide_cps/TEMPgrp8/cps4= 5.txt
This is a document provided by the National Institutes Of Health on screening for Rh incompatibility, which recommends that all pregnant women should receive ABO/ Rh blood typing and testing for anti-Rh(D) antibody at their first prenatal visit. Subjects covered include the efficacy of screening tests, early detection, clinical intervention, and references.