Is Brazilian scientific publication at a crossroad?

Mathematical Proofs at a Crossroad?

For more than 2000 years, from Pythagoras and Euclid to Hilbert and Bourbaki, mathematical proofs were essentially based on axiomatic-deductive reasoning. In the last decades, the increasing length and complexity of many mathematical proofs led to the expansion of some empirical, experimental, psychological and social aspects, yesterday only marginal, but now changing radically the very essence...

Arthritis clinical trials at a crossroad.

Publication rates of papers presented at the Brazilian Orthopedic Meeting

OBJECTIVE To quantify the publication rates of the papers presented at the 2007 Brazilian Orthopedics Meeting (Congresso Brasileiro de Ortopedia - CBOT). METHODS Evaluation of the proportion of abstracts submitted by the various orthopedic subspecialties and according to the Brazilian states. Then, a Lilacs and PubMed search was performed in order to determine which presentations generated na...

Is there publication bias towards brazilian articles on cancer?

OBJECTIVE To investigate whether Brazilian articles on cancer are published in journals with an impact factor and/or repercussion (measured by the number of citations) inferior to those that come from foreign organizations. METHODS A search was carried out in PubMed for the MeSH term "neoplasm" with the limits clinical trial, affiliation of the Brazilian author(s), and interval from July 1st,...

Preemptive analgesia at the crossroad.

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