[Observations on the incidence of venereal diseases on board of Swedish merchant marine vessels].
D001699:Biometry; D015994:Incidence; D012749:Sexually Transmitted Diseases / Q000706:statistics & numerical data*; D012767:Ships
SHIPS; VENEREAL DISEASES/statistics
Några reflektioner angående frekvensen av veneriska sjukdomar ombord på svenska handelsfartyg.