TY - GEN AU - McLEOD,J W TI - A survey of the epidemiology of diphtheria in north-west Europe and North America in the period 1920-1946 SN - 0368-3494 PY - 2004///0930 KW - Data Collection KW - Diphtheria KW - Europe KW - Humans KW - North America N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/path.1700620202 ER -