Adult (stem cells) can be multipotent.Logical formLearned from6 sentences. A stem may pertain-to a valve.Logical formLearned from6 sentences. (Stem subjects) may undergo teaching.Logical formLearned from6 sentences. Degrees can be in (stem fields).Logical formLearned from6 sentences. Lesions can be on a stem.Logical formLearned from6 sentences. Stems may die.Logical formLearned from6 sentences. A (stem surface) can be smooth.Logical formLearned from6 sentences. (Stem cell researcher) may pertain-to a nation.Logical formLearned from6 sentences. (Stem cells) can be from (adult tissues).Logical formLearned from6 sentences. Research may involve a derivation of embryonic (stem cells).Logical formLearned from6 sentences. Adult (stem cells) can be from a source.Logical formLearned from6 sentences. (Stem cell transplantation) may undergo an application.Logical formLearned from6 sentences. Stem may rot.Logical formLearned from6 sentences. Stems may be damaged.Logical formLearned from6 sentences. Embryonic (stem cells) may undergo an extraction.Logical formLearned from6 sentences.