Grin, E.I .
Epidemiology and control of endemic syphilis / Reports E.I.Grin. - Geneva : World Health Organisation , 1953. - 93 ; .
614.5472 / GRI/EP
Epidemiology and control of endemic syphilis / Reports E.I.Grin. - Geneva : World Health Organisation , 1953. - 93 ; .
614.5472 / GRI/EP