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00042560-199609000-00012
00042560-199609000-00012
http://dx.doi.org/10.1097/00042560-199609000-00012
Crack cocaine smoking and oral sores in three inner-city neighborhoods.
P356
Q39429630-4176FBC0-A7E2-4BED-8F80-1963DE6D104B
P356
00042560-199609000-00012
http://dx.doi.org/10.1097/00042560-199609000-00012