Bы сами придумали такую бесподобную фразу?
What are the scientific {guarantees|proofs} {the fact that stem cells {help|enable|can help|assist|help} in THE #file_links<>C:UsersAdminDesktopfilegsa+en+100kTGeorgiy1702254URLBB.txt",1,N]? Symptoms of autism manifest themselves in {first|initial|initial} {several years|two years} of life.