L S Welch
发表
A Mawudeku,
L S Welch,
K L Hunting,
2001,
Applied occupational and environmental hygiene.
A Mawudeku,
L S Welch,
K L Hunting,
1999,
Applied occupational and environmental hygiene.
L S Welch,
K L Hunting,
K. Hunting,
1995,
Occupational and environmental medicine.
T L Guidotti,
J E Lockey,
L S Welch,
1998,
Chest.
L S Welch,
K L Hunting,
J T Anderson,
2000,
Journal of occupational and environmental medicine.
L S Welch,
K L Hunting,
K. Hunting,
1995,
American journal of industrial medicine.
L S Welch,
K L Hunting,
L Nessel-Stephens,
1999,
American journal of industrial medicine.
L S Welch,
K L Hunting,
K. Hunting,
1994,
American journal of industrial medicine.
L S Welch,
K L Hunting,
L Nessel-Stephens,
1994,
Journal of occupational medicine. : official publication of the Industrial Medical Association.
M R Cullen,
L S Welch,
L. Welch,
1988,
American journal of industrial medicine.