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#3_minutes_for_a_dog_book #paul_alexander #paul_alexander_iron_lung #polio #man_lives_in_iron_lung #polio_survivor_lives_in_machine #craziest_machines_that_keep_people_alive #people_who_are_kept_alive_by_machines #amazing_medical_technology #most_impressive_medical_technology_of_all_time #how_an_iron_lung_works #what_is_an_iron_lung #the_man_in_iron_lung #polio_iron_lung #polio_survivors_in_iron_lungs #a_polio_survivor's_story #paul_alexander_polio_survivor #medical_advancementsКомментарии: