(Stem cells) may be manipulated by scientists.Logical formLearned from4 sentences. Issues may arise from (stem cell research).Logical formLearned from4 sentences. Work can be on (stem cell research).Logical formLearned from4 sentences. Larvaes may bear into a stem.Logical formLearned from4 sentences. (Stem cells) may be infused.Logical formLearned from4 sentences. Embryonic (stem cells) may be derived from an inner (cell mass).Logical formLearned from4 sentences. Chemotherapy may be followed by (stem cell transplant).Logical formLearned from4 sentences. (Stem cells) may travel to a (bone marrow).Logical formLearned from4 sentences. Leaves can be around a stem.Logical formLearned from4 sentences. A cluster can be at a top of a stem.Logical formLearned from4 sentences. Flowers may be born on a stem.Logical formLearned from4 sentences. Stems may be uprighted.Logical formLearned from4 sentences. Streaks can be on stems.Logical formLearned from4 sentences. Stems can be infected.Logical formLearned from4 sentences. Damage can be to stems.Logical formLearned from4 sentences.