@Article{ Olarte_Valencia-torres_Cassaday_Bradshaw_Szabadi:122-131,

author = { Cristian Manuel Olarte Sánchez and Lourdes Valencia-torres and Helen Cassaday and Cristopher Bradshaw and Elemer Szabadi } ,

title = { Quantitative analysis of performance on a progressive-ratio schedule: effects of reinforcer type, food deprivation and acute treatment with ¿9-tetrahydrocannabinol (THC) },

journal = { Behavioural Processes },

year = { 2015 },

pages = { 122-131 },

}