Insights into Portuguese Medical HistoryMaria do Sameiro, Christopher John Duffin, João Alcindo Martins · First published 2022Open the Tome
Medical Heritage of the National Palace of MafraMaria do Sameiro, Christopher John Duffin, Germano de Sousa · First published 2020Open the Tome
Ostenoselache stenosoma n. g. n. sp., a new neoselachian shark from the Sinemurian (Early Jurassic) of Osteno (Lombardy, Italy)Christopher J. Duffin · First published 1998Open the Tome