StomatitisMucositisMouth MucosaBenzydaminePainGlossitisFibroblast Growth Factor 7MouthwashesRadiation InjuriesRadiotherapyLaser Therapy, Low-LevelOral HemorrhageOral UlcerHead and Neck NeoplasmsChronic PainPain ManagementRadiation Injuries, ExperimentalRadiation-Protective AgentsLasers, SemiconductorPain ThresholdPain, PostoperativeTransplantation ConditioningAntineoplastic Combined Chemotherapy ProtocolsFluorouracilLow Back PainBack PainDrug-Related Side Effects and Adverse ReactionsChlorhexidineOral HygieneTreatment OutcomePain MeasurementHematopoietic Stem Cell TransplantationAbdominal PainNeck PainPain, IntractableMouthAntineoplastic AgentsMesocricetusCandidiasis, OralAnti-Infective Agents, LocalFacial PainDouble-Blind MethodParenteral Nutrition, TotalCombined Modality TherapyHematologic NeoplasmsPelvic PainPain PerceptionNeoplasmsNeutropeniaAcute PainPain, ReferredWhole-Body IrradiationSeverity of Illness IndexCranial IrradiationProspective StudiesAdministration, TopicalLeukemiaEtoposideShoulder PainMusculoskeletal PainBone Marrow TransplantationCyclophosphamideLymphomaPrecursor Cell Lymphoblastic Leukemia-LymphomaPilot ProjectsSalivaStatistics, NonparametricFibroblast Growth FactorsAntimetabolites, AntineoplasticAnalgesicsDrug Administration ScheduleRecombinant ProteinsCricetinaeXerostomiaNociceptive PainNeuralgiaMethotrexateLeucovorinAnalgesics, Opioid