TY - GEN AU - Mestecky,J AU - Zikan,J AU - Butler,W T TI - Immunoglobulin M and secretory immunoglobulin A: presence of a common polypeptide chain different from light chains SN - 0036-8075 PY - 1971///0406 KW - Amino Acids KW - analysis KW - Colostrum KW - immunology N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.171.3976.1163 ER -