A (stem cell research) can be embryonic.Logical formLearned from7 631 sentences. (Stem cell lines) can be embryonic.Logical formLearned from897 sentences. A stage can be embryonic.Logical formLearned from697 sentences. Embryonic (stem cells) may undergo a use.Logical formLearned from476 sentences. A stem can be embryonic.Logical formLearned from405 sentences. Stages can be embryonic.Logical formLearned from381 sentences. A state can be embryonic.Logical formLearned from377 sentences. Research can be embryonic.Logical formLearned from352 sentences. A lethality can be embryonic.Logical formLearned from337 sentences. Research can be on embryonic (stem cells).Logical formLearned from298 sentences. A form can be embryonic.Logical formLearned from246 sentences. A tissue can be embryonic.Logical formLearned from196 sentences. Research may use embryonic (stem cells).Logical formLearned from112 sentences. Lines can be embryonic.Logical formLearned from102 sentences. Tissues can be embryonic.Logical formLearned from100 sentences.