Ah, you're right I grabbed the wrong paper. I presume the other commenter (hervature ) also knew what paper I meant.
But yes, the item you want studied might not have been studied. ("However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps.")
But yes, the item you want studied might not have been studied. ("However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps.")
https://www.bmj.com/content/363/bmj.k5094