Good point, I agree, but there is still margin for some errors. I believe a scientific journal would want a large number of tests, not a "Blood exam shown to fa

Good point, I agree, but there is still margin for some errors. I believe a scientific journal would want a large number of tests, not a "Blood exam shown to fail once". Proving reliability does rely on examining internal methods, and showing they are consistent and reliable. I concur it somewhat lends to Theranos' credibility that no competitor is disproving their accuracy.