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We present an up-to-date report on the status ofthe cosmological model based on a massive scalar fieldnon-minimally coupled to gravity, which has beenrecently used to explain the apparent periodicity in the distribution of galaxies, and as a modelfor the missing non-baryonic component of dark matter,within the standard inflationary scenario (Ω = 1).The model agrees with most cosmological observations, however local experiments can pose seriousconstraints that indicate the necessity of a slightlymodified model.