(Stem lines) can be embryonic.Logical formLearned from9 sentences. (Stem cells) may develop.Logical formLearned from9 sentences. Adult (stem cells) can be rare.Logical formLearned from9 sentences. Studies can be with (stem cells).Logical formLearned from9 sentences. (Stem cell lines) can be developed.Logical formLearned from9 sentences. (Stem cell research) may move.Logical formLearned from9 sentences. (Stem cells) can be available to scientists.Logical formLearned from9 sentences. (Stem cells) can be in humans.Logical formLearned from9 sentences. Stems can be colorful.Logical formLearned from9 sentences. Research can be with adult (stem cells).Logical formLearned from9 sentences. Leaves can be on a stem.Logical formLearned from9 sentences. (Stem cells) can be from tissues.Logical formLearned from9 sentences. Hematopoietic (stem cells) may undergo a proliferation.Logical formLearned from9 sentences. A (stem cell research) can be basic.Logical formLearned from9 sentences. (Stem cells) may undergo a maturation.Logical formLearned from9 sentences.