TY - RPRT TI - An agar-diffusion method for titrating Bacillus anthracis immunizing antigen and its application to a study of antigen production. AU - C B THORNE AU - F C BELTON PY - 1957 DO - 10.1099/00221287-17-2-505 UR - https://pubmed.ncbi.nlm.nih.gov/13481332/ ID - 13481332 ER -