Stems can be fuzzy.Logical formLearned from12 sentences. Stems may be covered with hairs.Logical formLearned from12 sentences. A stem can be whitish.Logical formLearned from12 sentences. Leaves can be on stems.Logical formLearned from12 sentences. Chemotherapy can be with (stem cell rescue).Logical formLearned from12 sentences. Pieces can be constituted-of-or-filled-with stem.Logical formLearned from12 sentences. Adult (stem cells) may be used.Logical formLearned from12 sentences. Neural (stem cells) may undergo a use.Logical formLearned from12 sentences. Treatment can be with (stem cells).Logical formLearned from12 sentences. (Stem cell research) may undergo a discussion.Logical formLearned from12 sentences. (Stem cell research) may undergo a use.Logical formLearned from12 sentences. Public support can be for (stem cell research).Logical formLearned from12 sentences. Scientists may find (stem cells).Logical formLearned from12 sentences. Stems can be aboveground.Logical formLearned from12 sentences. (Stem cell lines) may undergo a derivation.Logical formLearned from12 sentences.