Letters destined for Canada and Mexico - for the (1) ounce first class letter cost $1.15 with the global forever stamp - applying to all international destinations. To be sendable by the USPS: a letter must have dimensions of no less than 3-1/2 inches tall with a maximum of 6 1/8.
Q: How often do doctors give cortisone injections to a patient? A: We try to limit the injection to one every three months for any single joint, but also we like to limit it to a total of six injections a year for the whole body. We know that the cortisone can sometimes weaken or suppress the immune system and, in diabetics, it raises blood sugar.
Yes, you can take the GRE once per month for up to five times during any 12-month period. Note, though, that if you have your test scores sent directly to the schools to which you are applying, they will receive all your scores, not just the highest score.