@inbook{inbookc3b6808b,
title   = {Hemorragia digestiva de diagnostico obscuro},
author = {Speranzini, Manlio Basílio and Deutsch, C R and Gama Rodrigues, Joaquim José},
year = {1994},
publisher = {Atheneu},
journal   = {Tratado de Clinica Cirurgica do Aparelho Digestivo}
}