title: More RNs lower risk of UTIs, pneumonia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000573:American Hospital Association; D006302:Health Services Research; D006742:Hospital Bed Capacity; D006801:Humans; D008875:Middle Aged; D009741:Nursing Staff, Hospital / Q000600:supply & distribution*; D010561:Personnel Staffing and Scheduling; D011014:Pneumonia / Q000453:epidemiology* / Q000517:prevention & control; D011787:Quality of Health Care; D012307:Risk Factors; D014481:United States / Q000453:epidemiology; D014552:Urinary Tract Infections / Q000453:epidemiology* / Q000517:prevention & control