TY - BOOK ID - 145196431 TI - An inquiry into the causes and effects of the variolae vaccinae : a disease discovered in some of the Western counties of England particulary Gloucestershire and known by the name of the cow pox PY - 1923 PB - Milan : R. Lier & C., DB - UniCat KW - Variola virus KW - Cowpox KW - Smallpox Vaccine UR - https://www.unicat.be/uniCat?func=search&query=sysid:145196431 AB - ER -