title: Test of embryonic inducing factors: advantages and disadvantages of different procedures.
mesh_terms: D000663:Amphibians / Q000196:embryology*; D000818:Animals; D001681:Biological Assay / Q000379:methods*; D002454:Cell Differentiation / Q000187:drug effects*; D002642:Chick Embryo; D046508:Culture Techniques; D004475:Ectoderm / Q000166:cytology; D004627:Embryonic Induction / Q000187:drug effects*; D004707:Endoderm / Q000166:cytology; D005775:Gastrula / Q000166:cytology / Q000187:drug effects*; D008648:Mesoderm / Q000166:cytology; D009420:Nervous System / Q000196:embryology; D011506:Proteins / Q000494:pharmacology*
chemical_list: D011506:Proteins