137838 EG exercise group 169 137834 EG esophagogastric 35 137828 E-G element-target gene 2 137829 E-G early - no GnRH 1 137832 E-G Eaton-Glickel 1 137831 E-G Elastica-Goldner 1 137837 E-G emphysema group 1 137836 E-G endophyte-free ground 1 137835 E-G environment-gene 1 137833 E-G estrogen plus gestagen 1 137830 E-G Euro-Glo 1