| gptkbp:instanceOf | gptkb:radiation_therapy gptkb:cancer
 
 | 
                        
                            
                                | gptkbp:associatedWith | gptkb:Bragg_peak 
 | 
                        
                            
                                | gptkbp:availableOn | specialized cancer centers 
 | 
                        
                            
                                | gptkbp:combines | gptkb:immunotherapy surgery
 chemotherapy
 
 | 
                        
                            
                                | gptkbp:covers | some health insurance plans 
 | 
                        
                            
                                | gptkbp:is_approved_by | gptkb:U.S._Food_and_Drug_Administration 
 | 
                        
                            
                                | gptkbp:is_delivered_by | gptkb:Centrifuge gptkb:particle_physics_experiment
 
 | 
                        
                            
                                | gptkbp:is_more_expensive_than | conventional radiation therapy 
 | 
                        
                            
                                | gptkbp:is_more_precise_than | conventional X-ray radiation therapy 
 | 
                        
                            
                                | gptkbp:is_not_widely_available | worldwide 
 | 
                        
                            
                                | gptkbp:is_researched_for | improving cancer outcomes 
 | 
                        
                            
                                | gptkbp:reduces | damage to surrounding healthy tissue side effects
 
 | 
                        
                            
                                | gptkbp:regulates | national health authorities 
 | 
                        
                            
                                | gptkbp:treatment | gptkb:cancer tumors
 
 | 
                        
                            
                                | gptkbp:type | gptkb:external_beam_radiotherapy 
 | 
                        
                            
                                | gptkbp:used_in | gptkb:Asia gptkb:Australia
 gptkb:China
 gptkb:Europe
 gptkb:France
 gptkb:Germany
 gptkb:India
 gptkb:Italy
 gptkb:Japan
 gptkb:Russia
 gptkb:South_Korea
 gptkb:Switzerland
 gptkb:United_Kingdom
 gptkb:United_States
 
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                                | gptkbp:usedFor | gptkb:cancer liver cancer
 prostate cancer
 brain tumors
 head and neck cancers
 pediatric cancers
 ocular tumors
 recurrent cancers
 sarcomas
 spinal tumors
 
 | 
                        
                            
                                | gptkbp:uses | proton beams 
 | 
                        
                            
                                | gptkbp:was_first_proposed_by | gptkb:Robert_R._Wilson 
 | 
                        
                            
                                | gptkbp:was_first_used_clinically | 1954 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Bragg_peak 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | proton therapy 
 |