PT - JOURNAL ARTICLE AU - Chervu, Shanta AU - Shau, Chung Cheng TI - Economizing on Polaroid Films DP - 1974 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 176--176 VI - 2 IP - 4 4099 - http://tech.snmjournals.org/content/2/4/176.short 4100 - http://tech.snmjournals.org/content/2/4/176.full SO - J. Nucl. Med. Technol.1974 Dec 01; 2 AB - The use of three slides, each capable of masking two of the three lenses leaving the third to make an exposure on a tri-lens Polaroid camera of a scintillation camera, is described. Successive use of the three slides during three consecutive exposures results in the recording of three projections of a study on a single print.