In the growth laboratory, Hygiene Faculty, Pyongyang Medical College,
They had intention to activate endocrine metabolism function of the weak.
The elements which they extracted and separated from were effective for producing blood, health promoter, sedation and appetite improvement.
They tried to find the best proportion for cooperation functions.
And they used rats; their weight was lying at the values of mean minus 1SD their age.
And then they applied Koryo pharmaceutical height accelerator to the weak group and normal group.
Good effectiveness was appeared in normal group, but higher-effectiveness was appeared among the weak group than normal group.
They also made clear the best time of pharmaceutical effect was the begining of sexual growth.
So they could have good prospects to achieve good results in research of the height and health for the short and weak, and they are going to do cooperation research in this field.