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Title: Which of the following has/have been linked empirically to the occurrence of ulcers? Post by: joli84 on Jan 21, 2018 Which of the following has/have been linked empirically to the occurrence of
ulcers? a. H. pylori b. optimism c. stress d. both a and b e. both a and c Title: Which of the following has/have been linked empirically to the occurrence of ulcers? Post by: Fireman812 on Jan 21, 2018 e
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