TY - GEN AU - Johnson,A E TI - Micro diffusion agar precipitin technique convenient for viewing and recording SN - 0021-9193 PY - 1967///1002 KW - Agar KW - Glass KW - Immunodiffusion KW - Photography N1 - Publication Type: Journal Article UR - https://doi.org/10.1128/jb.93.4.1476-1477.1967 ER -