How did retinoblastoma arise?
D005134:Eye Neoplasms / Q000209:etiology*; D005260:Female; D005333:Fetus; D006801:Humans; D007527:Isoenzymes / Q000032:analysis; D011247:Pregnancy; D011770:Pyruvate Kinase / Q000032:analysis; D012160:Retina / Q000196:embryology; D012175:Retinoblastoma / Q000209:etiology*
D007527:Isoenzymes; D011770:Pyruvate Kinase