(Stem cells) may be extracted.Logical formLearned from33 sentences. (Stem cells) may hold promise.Logical formLearned from33 sentences. A stem can be black.Logical formLearned from32 sentences. (Stem cell lines) may be created after a month.Logical formLearned from32 sentences. Part may pertain-to a stem.Logical formLearned from32 sentences. Embryonic (stem cells) may undergo a differentiation.Logical formLearned from32 sentences. A (stem rust) can be black.Logical formLearned from32 sentences. A surface may pertain-to a stem.Logical formLearned from32 sentences. Stems can be hairy.Logical formLearned from31 sentences. A middle may pertain-to a stem.Logical formLearned from31 sentences. (Stem cells) can be cultured.Logical formLearned from31 sentences. (Stem cells) can be in a brain.Logical formLearned from31 sentences. An obstacle can be to using an alternative to embryonic (stem cells).Logical formLearned from31 sentences. (Stem cells) can be personalized.Logical formLearned from31 sentences. (Stem cells) can be mammary.Logical formLearned from31 sentences.