@inbook{inbook2c40fb57, title = {Biomagnetic technique for orocaecal transit time measurement}, author = {Oliveira, R. B. and Miranda, J R A and Baffa, Oswaldo and Cambrea, C R and Troncon, L E A}, year = {1992}, publisher = {Elsevier}, journal = {Biomagnetism: Clinical Aspects} }