003980000a22001570004500003000900000005001700009100001700026245005400043050001200097264005500109300001000164040001000174041000800184650002200192650002600214PH-MaWHO20241108112634.01 aWillcox R.R. aTextbook of venereal diseases and treponematoses. a2nd ed. aLondon : bWilliam Heinemann Medical Books,c1964. a492p. aDery. aeng aVenereal diseases aTreponemal infections