(Skin stem cells) may undergo a production.Logical formLearned from9 sentences. (Stem cells) may undergo a collection.Logical formLearned from9 sentences. (Stem cell research) can be promising.Logical formLearned from9 sentences. A stem can be tense.Logical formLearned from9 sentences. (Stem cell solutions) can be innovative.Logical formLearned from9 sentences. (Stem cells) may undergo a trial.Logical formLearned from9 sentences. (Stem cell transplantation) may undergo a use.Logical formLearned from9 sentences. A person can be against (stem cell research).Logical formLearned from9 sentences. Blood can be a source of (stem cells).Logical formLearned from9 sentences. (Stem cell research) may unlock cures.Logical formLearned from9 sentences. Embryonic (stem cells) may come from embryos.Logical formLearned from9 sentences. Human embryos can be for (stem cells).Logical formLearned from9 sentences. A controversy may surround (stem cell research).Logical formLearned from9 sentences. A decrease can be in (stem cells).Logical formLearned from9 sentences. Publication of a discovery may be expedited by editors of (stem cells).Logical formLearned from9 sentences.