Abbreviations SERM, selective estrogen receptor modulator; E, cis; Z, trans; Tam, tamoxifen; 4OHT, 4 hydroxytamoxifen; End, 4 hydroxy N desmethyltamoxifen; AC, adenylyl cyclase; BSA, bovine serum albumin; CB1R, cannabinoid type 1 receptor; CB2R, cannabinoid type 2 receptor; CHO hCB1, CHO cells expressing human CB1Rs; CHO hCB2, CHO cells expressing human CB2Rs; PTX, pertussis toxin; О” 9 THC, delta 9 tetrahydrocannabinol; GDP, guanosine diphosphate; GTPОіS, guanosine 5ano gamma thio triphosphate; GPCR, G protein coupled receptor where to get cytotec without a prescription