, but in the southern provinces, if we want to consider , it is only done in namazi hospital in the department of mothers in need of special care. one of the surgeries that was performed and luckily it was a successful surgery was the disease that the fetus suffered from the stenosis of the pulmonary valve was one of the heart valves. by actually using the balloon, which was done together and with the cooperation of this team, we were able to save this fetus, and the fetus was born in a very good condition, and it is now several years old, fortunately, there is no problem. the record of honor of one hundred of the world's best researchers has succeeded in producing and formulating lactase drops for gastrointestinal diseases of infants. newborn patients suffer from colic and digestive problems, and this enzyme helps to compensate for the amount of enzyme that is defective and not enough. first, foreign enzymes enter the body , enter their digestive system and can solve their digestive problems. dr. basir hashemi is also a full professor at shiraz university of medical sciences. he operated for