it is - marketing research, medical background, conducting clinical research, product, process, repetitive trials then mass customization.

the end result is which they will deny -profits with sheer masses using their products. patenting it and ensuring that developing cant use it unless they pay a high price, makes them control the market and profits. these companies r in the top 10 richest companies. they go where the market is. look at hiv drugs - its bloody expensive. so millions still suffer but they make profits 'cos those in developed countries can afford it