共 22 条
[1]
CRABTREE CL, 1975, FDA768011 DHEW PUBL
[2]
GIBBS SJ, 1976, J AM SOC PREVENT DEN, V6, P8
[3]
GITLIN JN, 1966, PHS1519 PUBL
[4]
JOHNS HLE, 1969, PHYSICS RADIOLOGY
[5]
MICHAELSON M, 1968, TODAYS HLTH, V46, P12
[6]
NADER R, 1968, LADIES HOME J, V85, P126
[7]
ROSENTHA.RB, 1970, RADIOL HEALTH DATA R, V11, P109
[8]
A STATE PROGRAM FOR REDUCING RADIATION EXPOSURE FROM DENTAL X-RAY MACHINES
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1970, 60 (08)
:1522-&
[9]
1975, FDA768003 DHEW PUBL
[10]
1972, JADA, V85, P921