4Harrison J, Harrison CE. Developing a model for occupational health provision in primary care [ J ] . International Journal of Occupational Medicine & Environmental Health. 2002, 15 (2) : 185 -192.
5Harrison J,Harrison CE.Developing a model for occupational health provision in primary care[J].International Journal of Occupational Medicine & Environmental Health,2002,15(2):185-192.
6Harrison J, Harrison CE. Developing a model for occupational health provision in primary care[J]. IntJ Occup Med Environ Healch, 2002, 15 (2): 185-192.