title: The search for a gamma-emitting estrogenic ligand.
mesh_terms: D000818:Animals; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D001966:Bromine; D005260:Female; D005461:Fluorine; D006589:Hexestrol / Q000031:analogs & derivatives; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D011868:Radioisotopes; D011877:Radionuclide Imaging; D051381:Rats; D011960:Receptors, Estrogen / Q000378:metabolism*; D012756:Sheep
chemical_list: D007457:Iodine Radioisotopes; D011868:Radioisotopes; D011960:Receptors, Estrogen; D006589:Hexestrol; D005461:Fluorine; C024867:2-fluorohexestrol; C024870:1-iodohexestrol; C024869:1-bromohexestrol; C024868:1-fluorohexestrol; D001966:Bromine