Where is it strictly? <br>1: First of all, select the patient. Generally, for example, it says 104 weeks. It takes 2 years, so for a long period of observation, it is 1 year and 52 weeks.
Where is the strictness?<br>1: First of all, in terms of patient selection, generally speaking, it says 104 weeks, and he needs 2 years, so he has to observe for a long time, that is 52 weeks a year.<br>