Use has risen steadily, even though manufacturer Danco Laboratories LLC of New York hasn't promoted it and the drug can only be obtained at a clinic or doctor's office, not through a pharmacy.

其用量稳步上升，尽管其制造商纽约的丹科实验室有限责任公司也没有推销它，而且该药物不能通过药房，只能从诊所或医务室买到。

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Last week our country lost a true friend, leader and mentor, Dr. Leon Danco.

FORBES: A Tribute to a Family Business Legend, Dr. Leon Danco

Clay acknowledges Dr. Danco as one of his most influential mentors, whose expertise and guidance helped Clay navigate his personal journey in the deep and unchartered waters of owning his family business.

FORBES: A Tribute to a Family Business Legend, Dr. Leon Danco

Dr. Danco encouraged Clay to form an outside board, to talk with his family openly about how they would or would not get involved in the business, to personally handle the success of the business in a positive, authentic way, and to think with long-term vision.

FORBES: A Tribute to a Family Business Legend, Dr. Leon Danco