TY - GEN AU - Roath,S AU - Newell,D G TI - Letter: T and B lymphocytes SN - 0140-6736 PY - 1975///0618 KW - B-Lymphocytes KW - cytology KW - Humans KW - Microscopy, Electron, Scanning KW - T-Lymphocytes N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0140-6736(75)91391-4 ER -