Made by Duncan Flockhart & Co. In skin testing, small amounts of various substances to which a patient may be allergic are put onto separate places...
General View of allergy testing medical equipment at the opening of the Laboratory Medicine Centre, Sheffield.
General View of allergy testing medical equipment at the opening of the Laboratory Medicine Centre, Sheffield.
Girl relaxes for 20 minutes to see if scratch tests on back for allergy show positive results. Credit: Denver Post
Girl relaxes for 20 minutes to see if scratch tests on back for allergy show positive results. Credit: Denver Post
At an undisclosed hospital, nuts are left out to test for allergic reactions at an allergy clinic on September 15, 2016 in New York City.