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During this period , the residents are relieved of their radiology floor duties , instead participating in radiation therapy setups ( linear accelerator ) , informal lectures , and radiation oncology or cardiology rounds . " Some holds four aces , " he went on , " and some holds nothin ' , and some poor fello ' gets the aces and no show to play ' em ; but a man has got to prove himself my equal before I 'll believe him . All fellows will have access to the university 's libraries , the institute 's reading room , archives , lectures , and discussions . Your goals may be saving for a rainy day or planning ahead to have funds for replacing a refrigerator when it finally quits , a down payment on a home , school tuition , or retirement . Formats include lectures , Socratic-method discussions , seminars , reading groups that many faculty members host in their homes , clinics , and workshops ( and even some in which students are invited to critique and debate the work in progress of leading international law scholars ) . The book suggests using the media - - movies , documentaries , talk shows , lectures , and newspapers - - to sell the monarchy to the Russian people . We are still being told to boil our water for 30 minutes ( until it evaporatates , I suppose . As a teacher , Professor Westling provided inspirational lectures , while still making time to be available on an individual basis with students . Much depends on the types of goods a country produces and trades , the domestic economic policies it pursues , the trading regime it adopts , as well as the external constraints that it faces .