Stems can be thin.Logical formLearned from10 sentences. An (erect stem) can be hairy.Logical formLearned from10 sentences. Ends may pertain-to (stem branches).Logical formLearned from10 sentences. Stems may be cut_offed.Logical formLearned from10 sentences. A (stem cell research) can be advanced.Logical formLearned from10 sentences. Gills may be attached to a stem.Logical formLearned from10 sentences. (Stem cells) can be in patients.Logical formLearned from10 sentences. Neural (stem cells) can be endogenous.Logical formLearned from10 sentences. Research can be on (stem cells).Logical formLearned from10 sentences. Stems can be angular.Logical formLearned from10 sentences. A stem can be given.Logical formLearned from10 sentences. Research can be on some (stem cell lines).Logical formLearned from10 sentences. A gene may switch_off (stem cells).Logical formLearned from10 sentences. (Stem cells) may be frozen.Logical formLearned from10 sentences. Adult (stem cells) may undergo a differentiation.Logical formLearned from10 sentences.