The Heaf test: a comparison of two types of Heaf gun.
MacHale
E
E
O'Shea
M
M
D000293:Adolescent; D000328:Adult; D002648:Child; D004867:Equipment Design; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007277:Injections, Jet / Q000295:instrumentation*; D008297:Male; D014374:Tuberculin Test / Q000295:instrumentation*