title: The effect of sustained field operations on urinary electrolytes and cortisol.
mesh_terms: D006801:Humans; D006854:Hydrocortisone / Q000652:urine*; D008889:Military Personnel; D005082:Physical Exertion; D011188:Potassium / Q000652:urine*; D012964:Sodium / Q000652:urine*; D013046:Specific Gravity
chemical_list: D012964:Sodium; D011188:Potassium; D006854:Hydrocortisone