1: Belley M, Sullivan R, Reeves A, Evans J, O'Neill G, Ng GY. Synthesis of the nanomolar photoaffinity GABA(B) receptor ligand CGP 71872 reveals diversity in the tissue distribution of GABA(B) receptor forms. Bioorg Med Chem. 1999 Dec;7(12):2697-704. PubMed PMID: 10658574.
2: Fritschy JM, Meskenaite V, Weinmann O, Honer M, Benke D, Mohler H. GABAB-receptor splice variants GB1a and GB1b in rat brain: developmental regulation, cellular distribution and extrasynaptic localization. Eur J Neurosci. 1999 Mar;11(3):761-8. PubMed PMID: 10103070.
3: Ng GY, Clark J, Coulombe N, Ethier N, Hebert TE, Sullivan R, Kargman S, Chateauneuf A, Tsukamoto N, McDonald T, Whiting P, Mezey E, Johnson MP, Liu Q, Kolakowski LF Jr, Evans JF, Bonner TI, O'Neill GP. Identification of a GABAB receptor subunit, gb2, required for functional GABAB receptor activity. J Biol Chem. 1999 Mar 19;274(12):7607-10. PubMed PMID: 10075644.
4: Malitschek B, Rüegg D, Heid J, Kaupmann K, Bittiger H, Fröstl W, Bettler B, Kuhn R. Developmental changes of agonist affinity at GABABR1 receptor variants in rat brain. Mol Cell Neurosci. 1998 Sep;12(1-2):56-64. PubMed PMID: 9770340.
5: Kaupmann K, Huggel K, Heid J, Flor PJ, Bischoff S, Mickel SJ, McMaster G, Angst C, Bittiger H, Froestl W, Bettler B. Expression cloning of GABA(B) receptors uncovers similarity to metabotropic glutamate receptors. Nature. 1997 Mar 20;386(6622):239-46. PubMed PMID: 9069281.