(Stem cells) can be younger.Logical formLearned from7 sentences. Some law may impose limits on a use of embryonic (stem cells).Logical formLearned from7 sentences. Supporters of (stem cell research) may argue that something-is-the-case.Logical formLearned from7 sentences. Adult (stem cells) may involve destruction of a human embryo.Logical formLearned from7 sentences. A (stem cell research) can be responsible.Logical formLearned from7 sentences. Medical research may be conducted with adult (stem cells).Logical formLearned from7 sentences. Groups of (stem cells) may keep alive.Logical formLearned from7 sentences. Scientists may work with (stem cells).Logical formLearned from7 sentences. A (stem cell line) can be from a human embryo.Logical formLearned from7 sentences. A (brain stem implant) can be auditory.Logical formLearned from7 sentences. A team may create (stem cells).Logical formLearned from7 sentences. A (stem cell researcher) can be embryonic.Logical formLearned from7 sentences. Embryonic (stem cells) can be useful.Logical formLearned from7 sentences. Head may pertain-to a (stem cell research program).Logical formLearned from7 sentences. A (stem cell line) may come from an embryo.Logical formLearned from7 sentences.