1976 年 29 巻 3 号 p. 183-189,257
1) Take breakfast enough and do not be pressed for time after that.
2) Do not bear the urge for bowel movement.
3) Go to lavatory right away after feeling the urge.
4) Finish bowel movement as fast as possible.
5) Keep stool not so hard.
6) Shut the buttock strongly several times after bowel movement.
7) Do not rub with tissue too precisely. Wash away with warm water if it is possible.