alpha-FetoproteinsCarcinoma, HepatocellularLiver NeoplasmsFetal ProteinsAlbuminsSerum AlbuminPrenatal DiagnosisEstriolLiver CirrhosisTumor Markers, BiologicalPregnancyLiverAlpha-GlobulinsSerum Albumin, BovinePrognosisp-DimethylaminoazobenzeneSensitivity and SpecificityRetrospective StudiesPregnancy Trimester, SecondImmunodiffusionAmniotic Fluidalpha 1-AntitrypsinLiver Neoplasms, ExperimentalRadioimmunoassayBase SequenceHepatectomyReceptors, Adrenergic, alphaTranscription FactorsSerum Albumin, Radio-IodinatedHypoxia-Inducible Factor 1, alpha SubunitReceptors, Cytoplasmic and NuclearGestational AgeDNA-Binding ProteinsMolecular Sequence DataPromoter Regions, GeneticReceptors, Albuminalpha7 Nicotinic Acetylcholine Receptor