AU - JACKSON J TI - TEst-tube rack used in the preparation of loeffler's blood serum PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {382-383}, VI - LIII IP - 5 AID - 10.1001/jama.1909.92550050041003d [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.92550050041003d SO - Journal of the American Medical Association July 31, 1909 LIII(5):382