Anti-5HT4 Receptor Polyclonal Antibody 2serotonin 5-ht-4a. Serotonin receptor 4, serotonin 5-ht-4 receptor, Serotonin 5 HT4 receptor, serotonin 4 receptor, HTR4, HTR 4, Cardiac 5 HT4 receptor, 5HT4R_HUMAN, 5-HT4R, 5HT4R, 5ht4 receptor, 5-HT-4, 5-ht4, 5HT4, 5HT 4, 5H4, 5 hydroxytryptamine4 receptor, 5 hydroxytryptamine serotonin receptor 4, 5 hydroxytryptamine receptor 4, 5 hydroxytryptamine 4 receptor, 5 HT4R, 5 HT4, 5 HT 4