@base . a . a ; . "Maryland" . a ; ; "20210206215100.0"^^ ; ; . a ; "hathi" ; "HathiTrust" . a , , ; , , ; "American journal of hygiene." ; ; ; "0096-5294" ; ; "0096-5294" ; ; "0096-5294" ; "American journal of hygiene" , "American journal of hygiene." ; ; [ a ; "v.3(1923); v.1(1921); v.2(1922); v.8 1928; v.1 Jan.-Nov.1921; v.2 Jan.-Nov.1922; v.5 (1925); Suppl.:v.3(1923:July); v.6 (1926); v.4 (1924); v.41/42 1915; v.1 1921; v.2 1922" ; "Preserved" ; "2024-03-01"^^ ; "v.3(1923); v.1(1921); v.2(1922); v.8 1928; v.1 Jan.-Nov.1921; v.2 Jan.-Nov.1922; v.5 (1925); Suppl.:v.3(1923:July); v.6 (1926); v.4 (1924); v.41/42 1915; v.1 1921; v.2 1922" ; ; [ "0096-5294" ; "American journal of hygiene." ; "Published by School of Hygiene and Public Health, Johns Hopkins University through the Johns Hopkins Press." ] ; "1915/1928" ; "https://catalog.hathitrust.org/Record/000642810" ] ; "http://aje.oxfordjournals.org/" . a ; "0096-5294" ; . . a , ; "American journal of hygiene" . a ; "0096-5294" ; .