China ; Humans ; Occupational Health ; legislation & jurisprudence ; Public Health ; legislation & jurisprudence ; Public Health Administration ; legislation & jurisprudence

Humans ; Occupational Health Services ; standards

Cytokines ; metabolism ; Humans ; Interleukins ; metabolism ; Lung ; metabolism ; pathology ; Pneumoconiosis ; etiology ; metabolism ; Receptors, Platelet-Derived Growth Factor ; metabolism ; Transforming Growth Factor beta ; metabolism ; Tumor Necrosis Factor-alpha ; metabolism

Humans ; Pneumoconiosis ; diagnostic imaging ; Radiography, Thoracic ; standards ; X-Ray Film

Accidents, Occupational ; prevention & control ; Humans ; Occupational Diseases ; diagnosis ; Occupational Health Services ; organization & administration

Brain ; Choristoma ; metabolism ; pathology ; surgery ; Female ; Glial Fibrillary Acidic Protein ; metabolism ; Humans ; Infant ; Neurofilament Proteins ; metabolism ; Orbit ; pathology ; surgery ; Orbital Diseases ; metabolism ; pathology ; surgery

Since cardiopulmonary resuscitation(CPR)guidelines was constituted in 1974,it was adopted many times.The American Heart Association,in collaboration with the International Liaison Committee on Resuscitation(ILCOR),adopted new CPR science guidelines in January,2005.This article gives a short introduction of CPR,and showes the progress of several editions.