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[Subject: Generalities]
Translated by: ALESSANDRO ZIGNANI
Translated in 9 languages
Translated by: MARCO PRADELLI
Translated in 8 languages
[Subject: Telephone & Telephone Utilities]
Translated by: ERNESTO RITONDALE
Translated in 6 languages
[Subject: Medical Sciences, Medicine]
Translated by: GUEST USER
Translated in 4 languages
[Subject: Chemistry]
Translated by: SIBILLA CUOGHI
Translated in 74 languages