(Stem cells) may hold potential.Logical formLearned from29 sentences. (Stem cells) can be modified.Logical formLearned from29 sentences. (Stem cells) can be in (bone marrow).Logical formLearned from29 sentences. Forms can be constituted-of-or-filled-with (stem cell research).Logical formLearned from28 sentences. A stem can be verbal.Logical formLearned from28 sentences. A stem can be horizontal.Logical formLearned from28 sentences. A plant can be with stems.Logical formLearned from28 sentences. Embryonic (stem cells) may hold promise.Logical formLearned from28 sentences. (Stem cell lines) may be derived from embryos.Logical formLearned from28 sentences. Stems can be dried.Logical formLearned from28 sentences. (Stem cells) may undergo a proliferation.Logical formLearned from28 sentences. Stems can be delicate.Logical formLearned from28 sentences. (Stem cells) may be derived from umbilical-cord blood.Logical formLearned from28 sentences. (Stem cells) can be from umbilical-cord blood.Logical formLearned from28 sentences. Colonies can be constituted-of-or-filled-with (stem cells).Logical formLearned from28 sentences.