@misc{indiciae134b01827975, title = {Letter: Gastrin heterogeneity: simple or complex?}, author = {N S Track and J S Rehfeld}, year = {1975}, doi = {10.1136/bmj.2.5963.142-a}, url = {https://pubmed.ncbi.nlm.nih.gov/1125718/}, note = {Source identifier: 1125718} }