Ranch sorting then the team is disqualified. Ranch Sorting contestants are rated from a #1 (Beginner) to #9 (professional) based on their ability level. Classifications of #1 are Beginners, #2 are Rookies, #3 and #4 are for participants of Novice ability, classifications of #5 and #6 for amateur participants and classifications of #7, #8 and #9 are for Open or Professional participants. There are several other equestrian sports related to Ranch Sorting. Team Penning is similar competition except that a team of three riders on horseback have from 60 to 75 seconds to separate three cattle from a herd and put them
7+3 (chemotherapy) doxorubicin or idarubicin or mitoxantrone). There were attempts to intensify the "7+3" regimen in order to try to improve its efficacy. Attempts were made to prolong the course (cytarabine for 10 days instead of 7, or daunorubicin/idarubicin for 4–5 days instead of 3). On the other hand, there were attempts to minimize the toxicity of the regimen by reducing the dose or the duration of the course. But this proved to compromise the efficacy of the regimen. The addition of vinca alkaloids (vincristine or vinblastine) to the "7+3" regimen, which addition was quite popular in AML in old times (when