Background: Time management is effective in controlling stress especially for medical residents. Time management in the surgical field and residential education is very important as they are directly involved in treating patients. Proper time management will help decrease work-related stress and increase efficacy, although there is no time management in medical courses. There are few studies in...

using size at first maturity (sfm) as a biological reference point, the minimum legal size (mls) for the black clam, villorita cyprinoides was fixed at 20 mm. corresponding minimum legal weight was calculated as 3.4 g. the reproductive load and mean generation time were determined as 0.35 and 0.72, respectively. of the total quantity of clams exploited during 1996-97, 50% were juveniles. the pe...