Results 281 to 285 of about 113,385 (285)
Some of the next articles are maybe not open access.

TB, PPD, and INH.

Pediatrics, 1967
S D, Davis, R J, Wedgwood
openaire   +1 more source

Second-strength PPD test.

The New England journal of medicine, 1971
W W, Stead, P, Steiner
openaire   +1 more source

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