All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.543 Membrane Proteins D008565 +
 D12.776.543.750 Receptors, Cell Surface D011956 +
 D12.776.543.750.720 Receptors, Neurotransmitter D017981 +
 D12.776.543.750.720.600 Receptors, Neuropeptide D018013 +
 D12.776.543.750.720.600.270 Receptors, Cholecystokinin D011949 +
 D12.776.543.750.720.600.270.100 Receptor, Cholecystokinin A D043886 
 D12.776.543.750.720.600.270.200 Receptor, Cholecystokinin B D043887