[534] Berti, Gaz. d. Osp., 1906.

[535] Peiper, Deutsch. med. Wochenschr., 1897.

[536] Löbker and Bruns, Arb. aus dem kaiserl. Reichsgesundheitsamt, 1906, xxiii.

[537] Cao, Riforma Med., 1901.

[538] Messineo and Calmida, Centralbl. f. Bakt., xxx.

[539] Jammes and Mandoul, Acad. des Sciences, 1904.

[540] Messineo, Giorn. med. del regio eserc., 1903.

[541] Pereira, Lancet, September, 1903.

[542] Barnabo, Sperimentale, 1906, v.

[543] Gagnoni, Pediatric., 1903.