Biological Sciences and Healthcare, part 2

... > Events > Traumatic event (event) > Exposure to mechanical force > fall > Accidental fall > Fall on or from stairs or steps

... > Events > Exposure to potentially harmful entity (event) > Exposure to mechanical force > fall > Accidental fall > Fall on or from stairs or steps

Events > Traumatic event (event) > Accidental event (event) > Accidental fall > Fall on or from stairs or steps