In this article we prove two characterizations of the Euclidean ball: (i) the only convex body in ℝ³ such that every normal plane bisects the volume (or surface area) is the Euclidean ball, (ii) the ...
The range of Symptom duration: ≤ 7 days; 7 days < duration < 30 days;1 month ≤ duration < 3 months; 3 months ≤ duration < 6 months; 6 months ≤ duration < 12 months;1 year ≤ duration; Smoking/Drinking ...