A person may donate (stem cells).Logical formLearned from4 sentences. Legislation may ban (stem cell research).Logical formLearned from4 sentences. A use of (cord blood stem cells) may be studied in humans.Logical formLearned from4 sentences. A stem may change.Logical formLearned from4 sentences. Swellings can be at a (stem base).Logical formLearned from4 sentences. Stems may undergo a thematicization.Logical formLearned from4 sentences. Stems can be lupine.Logical formLearned from4 sentences. (Stem cell colonies) may be created for some patients.Logical formLearned from4 sentences. Work can be with embryonic (stem cells).Logical formLearned from4 sentences. Stems can be branched.Logical formLearned from4 sentences. A stem may be severed.Logical formLearned from4 sentences. Lesions may pertain-to a (brain stem).Logical formLearned from4 sentences. Leaves may pertain-to a stem.Logical formLearned from4 sentences. A stem may pertain-to a fork.Logical formLearned from4 sentences. A form may pertain-to stems.Logical formLearned from4 sentences.