TY - BOOK AU - Ashton,John TI - Shoe leather epidemiology in the age of COVID: lessons from Cuba PY - 2020///-07-14 PB - SAGE Publications, KW - Text KW - local N1 - /pmc/articles/PMC7495666; /pubmed/32663431 UR - http://dx.doi.org/10.1177/0141076820938582 ER -