- Retained gastric antrum syndrome diagnosed by [99mTc] pertechnetate scintiphotography in man: hormonal and radioisotopic study of two cases. Sciarretta, G., Malaguti, P., Turba, E., Fini, A., Verri, A., Garagnani, B., Cacciari, C. J. Nucl. Med. (1978)