"On spitballs and bubbles".
Thomas
J R
JR
D000293:Adolescent; D001294:Attitude to Health; D001484:Baseball; D002648:Child; D006801:Humans; D008297:Male; D009062:Mouth Neoplasms / Q000209:etiology; D010947:Plants, Toxic; D012907:Smoking; D014030:Tobacco, Smokeless / Q000009:adverse effects