The disclosure provides systems and methods pertaining to the generation of sales and marketing strategies. In addition, it relates to a process for producing mature natural killer cell comprising treating hematopoietic stem cells with interleukin-7, stem cell factor and Flt3L to differentiate into precursor natural killer cells, and treating the resulting precursor natural killer cells with at least one ligand of Axl receptor tyrosine kinase to produce mature natural killer cells. The analyzer retrieves, from an adverse event database, a first side effect profile associated with the first drug, and a second side effect profile associated with the second drug. The guide provides passageways for a variety of surgical devices: an endoscope for viewing the surgical regions of interest, a cautery device and other surgical tools for performing ligation and other surgical procedures, and phleboextractor for removing elongate structures. Additionally, the cermet material may be reinforced with fibers or screens. In another embodiment, the control can permit media files to be shared on a limited number of different clients affiliated with the same user.