Langlotz, C. P., Even-Shoshan, O., Seshadri, S. S., Brikman, I., Kishore, S., Kundel, H. L., Schwartz, J. S.: A methodology for the economic assessment of picture archiving and communication systems. Journal of Digital Imaging 8(2): 95-102, May 1995.

Kundel, H. L., Seshadri, S. B., Langlotz, C. P., Lanken, P. N., Horii, S. C., Nodine, C. F., Polansky, M., Feingold, E., Brikman, I., Bozzo, M., Redfern, R.: Prospective study of a PACS: information flow and clinical action in a medical intensive care unit. Radiology 199(1): 143-9, Apr 1996.

Pratt, H. M., Langlotz, C. P., Feingold, E. R., Schwartz, J. S., Kundel, H. L.: Incremental cost of department-wide implementation of a picture archiving and communication system and computed radiography. Radiology 206(1): 245-52, Jan 1998.

Langlotz, C. P., Pratt, H. M., Kundel, H. L.: Cost of PACS and computed radiography in the United States. Radiology Page: 554-6, 1998.

Chawla, S., Levine, M. S., Laufer, I., Gingold, E. L., Kelly, T. J., Langlotz, C. P.: Gastrointestinal imaging: a systems analysis comparing digital and conventional techniques. AJR. American Journal of Roentgenology 172(5): 1279-84, May 1999.

Bidgood, W. D., D’Orsi, C. J., Greenes, R. A., Huang, H. K., Jost, R. G., Langlotz, C. P., Schilling, R. B., Sickles, E. A., Staab, E. V.: Report of the Joint Working Group on Telemammography/Teleradiology and Information Management. Academic Radiology 6(Suppl. 7): S303-S324, Nov 1999.

Redfern, R. O., Kundel, H. L., Polansky, M., Langlotz, C. P.  Horii, S. C.  Lanken, P. N.: A picture archival and communication system shortens delays in obtaining radiographic information in a medical intensive care unit. Critical Care Medicine 28(4): 1006-13, Apr 2000.

Redfern, R. O., Langlotz, C. P., Abbuhl, S. B., Polansky, M., Horii, S. C., Kundel, H. L.: The effect of PACS on the time required for technologists to produce radiographic images in the emergency department radiology suite. J Digit Imaging 15(3): 153-60, Sep 2002.

Menschik, E., Murray, J., Goldszal, A., Nagy, P., Flanders, A., Langlotz C.: Do you know where your patient was imaged last? Relevent priors, duplicate exams, and patient mobility between competing imaging facilities: Initial results from the Philadelphia health information exchange. 2006.