[In what concentration should Peru balsam be tested?].
D001453:Balsams; D001565:Benzoates; D004342:Drug Hypersensitivity / Q000175:diagnosis; D006801:Humans; D012882:Skin Tests
D001453:Balsams; D001565:Benzoates
In welcher Konzentration soll man Perubalsam testen?