title: Studies of the activity in chicken serum that stimulates the lymphoid development of the embryonic chicken thymus in organ culture.
mesh_terms: D000645:Ammonium Sulfate; D000818:Animals; D001769:Blood; D001798:Blood Proteins / Q000378:metabolism; D002454:Cell Differentiation; D011232:Chemical Precipitation; D002642:Chick Embryo; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003470:Culture Media; D003956:Dialysis; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D007122:Immunoelectrophoresis; D008214:Lymphocytes / Q000166:cytology; D008221:Lymphoid Tissue / Q000166:cytology / Q000196:embryology*; D008854:Microscopy, Electron; D009924:Organ Culture Techniques; D013950:Thymus Gland / Q000166:cytology / Q000196:embryology* / Q000378:metabolism; D013997:Time Factors; D014462:Ultrafiltration
chemical_list: D001798:Blood Proteins; D003470:Culture Media; D000645:Ammonium Sulfate