pubmed.ncbi.nlm.nih.gov
Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial - PubMed
Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jump …