alpha-FetoproteinsFetal ProteinsCarcinoma, HepatocellularLiver NeoplasmsFetusPrenatal DiagnosisEstriolLiver CirrhosisTumor Markers, BiologicalPregnancyAlpha-GlobulinsLiverPrognosisp-DimethylaminoazobenzeneSensitivity and Specificityalpha 1-AntitrypsinRetrospective StudiesReceptors, Adrenergic, alphaHypoxia-Inducible Factor 1, alpha SubunitPregnancy Trimester, SecondAlbuminsImmunodiffusionAmniotic FluidBase Sequencealpha7 Nicotinic Acetylcholine ReceptorTranscription FactorsIntegrin alpha3beta1Integrin alpha4Integrin alpha6Liver Neoplasms, ExperimentalIntegrin alpha5beta1Molecular Sequence DataRadioimmunoassayIntegrin alpha4beta1Interleukin-1alphaDNA-Binding ProteinsIntegrin alpha2beta1Receptors, Adrenergic, alpha-1Integrin alpha5Receptors, Cytoplasmic and NuclearIntegrin alpha1beta1HepatectomyReceptors, Adrenergic, alpha-2Promoter Regions, GeneticSerum AlbuminIntegrin alpha6beta1Integrin alpha6beta4Integrin alpha ChainsIntegrinsGestational AgeIntegrin alpha1Alpha RhythmIntegrin alpha3