@article{articledb5ec209,
title   = {Self-assessment questionnaire for the determination of morningness-eveningness types in brazil},
author = {Benedito-Silva, Ana Amélia and Menna Barreto, Luiz Silveira and Marques, Nélson and Tenreiro, S},
year = {1990},
journal   = {Progress in Clinical and Biological Research. Chronobilogy}
}