title: Soft tissue sarcomas and intramuscular injections: an epidemiological survey.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001132:Arm; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular / Q000009:adverse effects*; D007866:Leg; D008297:Male; D008499:Medical Records; D008875:Middle Aged; D012189:Retrospective Studies; D012509:Sarcoma / Q000209:etiology*; D012983:Soft Tissue Neoplasms / Q000209:etiology*