TY - GEN AU - Lowenthal,A AU - Karcher,D TI - Letter: IgG in cerebrospinal fluid SN - 0028-4793 PY - 1976///0602 KW - Humans KW - Immunoglobulin G KW - cerebrospinal fluid KW - Multiple Sclerosis N1 - Publication Type: Journal Article UR - https://doi.org/10.1056/NEJM197604292941819 ER -