A stem can be with leaves.Logical formLearned from13 sentences. Stems can be damaged.Logical formLearned from13 sentences. Embryonic (stem cells) can be in research.Logical formLearned from13 sentences. Stems can be sterile.Logical formLearned from13 sentences. A (stem cell transplant) may pertain-to a male.Logical formLearned from13 sentences. Stems can be dry.Logical formLearned from13 sentences. A stem can be soft.Logical formLearned from13 sentences. (Stem cells) can be collected.Logical formLearned from13 sentences. (Mouse stem cells) can be embryonic.Logical formLearned from13 sentences. Embryonic (stem cells) can be controversial.Logical formLearned from13 sentences. Embryonic (stem cells) may undergo a harvesting.Logical formLearned from13 sentences. Guidelines can be for (stem cell research).Logical formLearned from13 sentences. (Stem cells) can be in a body.Logical formLearned from13 sentences. Alternatives can be to embryonic (stem cells).Logical formLearned from13 sentences. (Stem cells) can be in research.Logical formLearned from13 sentences.