Two different Tecnologies - Yost's will measure Molicules and Haick's only can recognize the Molicule, but Haick's will look for multiple at once, once they find a disease with Haick's they could then measure the quantity with Yost's, BreathTec move was a good play and see Cannabix doing the same with Haick's but BreathTec needs Haick's already proven Molicules for disease library that he holds, Yost's Technologiy or FAIMS/MS is totally different and Haick's is no different than Field Forensics Inc, go read about the two