A (stem cell research) may pertain-to a male.Logical formLearned from61 sentences. A (stem cell work) can be embryonic.Logical formLearned from61 sentences. Lines can be constituted-of-or-filled-with embryonic (stem cells).Logical formLearned from60 sentences. Research can be with embryonic (stem cells).Logical formLearned from60 sentences. Lines can be constituted-of-or-filled-with (stem cells).Logical formLearned from60 sentences. Stems can be strong.Logical formLearned from60 sentences. Stems can be branched.Logical formLearned from58 sentences. A stem may pertain-to a river.Logical formLearned from58 sentences. A base may pertain-to stems.Logical formLearned from58 sentences. Stems can be square.Logical formLearned from57 sentences. An alternative can be to embryonic (stem cells).Logical formLearned from57 sentences. Stems can be red.Logical formLearned from57 sentences. (Stem cells) may pertain-to a patient.Logical formLearned from57 sentences. Embryonic (stem cells) may have potential.Logical formLearned from57 sentences. Embryos can be for (stem cell research).Logical formLearned from57 sentences.