Tuberculin is one kind fosters filtrate to be made by n/med tuberculosis bacterium, contain the albumen of n/med tuberculosis bacterium, biological product that does not contain substance of n/med tuberculosis bacterium only.

• 结核菌素是一种由结核菌培养滤液制成、只含结核菌蛋白、不含结核菌体的生物制品。