L. F. Richards
发表
L. F. Richards,
W. W. Westmoreland,
M. Tashiro,
1967,
Journal of the American Dental Association.
L. F. Richards,
W. W. Westmoreland,
W. Loretz,
1961,
American journal of public health and the nation's health.
L. F. Richards,
W. W. Westmoreland,
M. Tashiro,
1967,
Journal of the American Dental Association.
L. F. Richards,
W. W. Stiles,
Willard C. Cleming,
1956
.