Matches in Nanopublications for { ?s ?p "[Only radioimmunoassays (RIAs) based on labelled antigen competition reached the required sensitivity for early pregnancy PAPP-A determinations; but they have a very short shelf life due to inherent tracer half-life and, in the case of PAPP-A, instability of the labelled antigen after three weeks.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en ?g. }
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- NP435733.RATvAxEbZlEAGX8u65rqTtFbwKvhOXYaeiJTpws8T35gc130_assertion description "[Only radioimmunoassays (RIAs) based on labelled antigen competition reached the required sensitivity for early pregnancy PAPP-A determinations; but they have a very short shelf life due to inherent tracer half-life and, in the case of PAPP-A, instability of the labelled antigen after three weeks.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine." NP435733.RATvAxEbZlEAGX8u65rqTtFbwKvhOXYaeiJTpws8T35gc130_provenance.
- NP608589.RAbJoJ00o6STNILfyt-kXbjtpofMvJo1_HwFO6btHUGsw130_assertion description "[Only radioimmunoassays (RIAs) based on labelled antigen competition reached the required sensitivity for early pregnancy PAPP-A determinations; but they have a very short shelf life due to inherent tracer half-life and, in the case of PAPP-A, instability of the labelled antigen after three weeks.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine." NP608589.RAbJoJ00o6STNILfyt-kXbjtpofMvJo1_HwFO6btHUGsw130_provenance.
- NP1309127.RAHCVDC5BmluIBlqEEKiP2EVdWY4Mr49clfZc5wpzVPPA130_assertion description "[Only radioimmunoassays (RIAs) based on labelled antigen competition reached the required sensitivity for early pregnancy PAPP-A determinations; but they have a very short shelf life due to inherent tracer half-life and, in the case of PAPP-A, instability of the labelled antigen after three weeks.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine." NP1309127.RAHCVDC5BmluIBlqEEKiP2EVdWY4Mr49clfZc5wpzVPPA130_provenance.