(Stem cells) may be took from embryos.Logical formLearned from85 sentences. A herb may produce an (erect stem).Logical formLearned from84 sentences. Stems can be upright.Logical formLearned from84 sentences. Restrictions can be on (stem cell research).Logical formLearned from83 sentences. A stem may pertain-to a tree.Logical formLearned from82 sentences. A stance can be on (stem cell research).Logical formLearned from82 sentences. A (stem cell research) can be expanded.Logical formLearned from82 sentences. A stem may pertain-to a (host plant).Logical formLearned from81 sentences. A length may pertain-to a stem.Logical formLearned from81 sentences. Stems may pertain-to a person.Logical formLearned from81 sentences. (Stem cells) may pertain-to a male.Logical formLearned from80 sentences. (Stem cells) may undergo a production.Logical formLearned from80 sentences. Neural (stem cells) can be adult.Logical formLearned from79 sentences. A stem may pertain-to a female.Logical formLearned from79 sentences. A tip may pertain-to a stem.Logical formLearned from79 sentences.