title: Alternative solutions.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure*; D002843:Chromatin / Q000648:ultrastructure; D006801:Humans; D011663:Pulmonary Surfactants / Q000032:analysis*
chemical_list: D002843:Chromatin; D011663:Pulmonary Surfactants