Biphenyl CompoundsReceptors, AngiotensinReceptors, Prostaglandin E, EP1 SubtypeReceptors, Prostaglandin E, EP3 SubtypeReceptors, Prostaglandin E, EP2 SubtypeReceptors, Prostaglandin E, EP4 SubtypeMolecular Sequence DataHIV-1PhylogenyReceptors, Adrenergic, alpha-1Influenza A Virus, H5N1 SubtypeInfluenza A Virus, H3N2 SubtypeReceptors, SomatostatinGenotypeAmino Acid SequenceRadioligand AssayInfluenza A Virus, H9N2 SubtypeReceptors, MuscarinicHIV InfectionsInfluenza A Virus, H1N1 SubtypeSequence Analysis, DNABase SequenceImmunohistochemistryInfluenza A virusPolymerase Chain ReactionReceptors, Adrenergic, alpha-2Influenza A Virus, H3N8 SubtypeAdrenergic alpha-AntagonistsInfluenza in BirdsCluster AnalysisDioxanesReceptors, NicotinicRNA, MessengerRats, Sprague-DawleyAdrenergic alpha-1 Receptor AntagonistsInfluenza A Virus, H2N2 SubtypeReverse Transcriptase Polymerase Chain ReactionDose-Response Relationship, DrugInfluenza A Virus, H7N7 SubtypeBlastocystisGene Expression ProfilingGenetic VariationBreast NeoplasmsMutationReceptor, Muscarinic M1Receptor, Muscarinic M3Binding, CompetitiveAdrenergic alpha-AgonistsPirenzepineDrug Resistance, ViralPrognosispol Gene Products, Human Immunodeficiency VirusMolecular EpidemiologyHemagglutinin Glycoproteins, Influenza VirusGenes, envReceptor, Muscarinic M2Cell LinePrazosinReceptors, SerotoninMuscarinic AntagonistsCells, CulturedNeuronsReceptor, Muscarinic M4Influenza A Virus, H1N2 SubtypeHIV ProteaseReceptors, EstrogenTumor Markers, BiologicalConotoxinsReceptors, Progesteroneenv Gene Products, Human Immunodeficiency VirusPhenotypeInfluenza A Virus, H5N2 SubtypeNicotinic AntagonistsTetralonesReceptor, erbB-2SomatostatinBlastocystis InfectionsSignal TransductionTime FactorsBrainPyridinesRNA, ViralHIV Envelope Protein gp120Receptors, Adrenergic, alphaReceptors, Neuropeptide YRats, WistarReceptors, GABA-AClonidineGene Expression Regulation, NeoplasticCricetinaeReceptors, Adrenergic, betaDNA PrimersViral TropismGenome, ViralRisk FactorsMuscarinic Agonists