(Stem cell) may be used during (tissue maintenance).Logical formLearned from6 sentences. (Stem cell research) may hold a promise.Logical formLearned from6 sentences. (Stem cells) can be malleable.Logical formLearned from6 sentences. A stem can be pale.Logical formLearned from6 sentences. A person may remove a stem.Logical formLearned from6 sentences. Advocates may support (stem cell research).Logical formLearned from6 sentences. (Cancer stem cells) may undergo a population.Logical formLearned from6 sentences. Doctors may remove (stem cells) from (blood cells).Logical formLearned from6 sentences. (Stem cell lines) can be derived.Logical formLearned from6 sentences. Bottoms may pertain-to stems.Logical formLearned from6 sentences. A (breakthrough study) can be in (stem cell research).Logical formLearned from6 sentences. Adult (stem cells) may be cultivated from tissues.Logical formLearned from6 sentences. A side may pertain-to stems.Logical formLearned from6 sentences. A ban can be on federal funding of (stem cell research).Logical formLearned from6 sentences. Stem may catch a (touchdown pass).Logical formLearned from6 sentences.