Courtiss, and R. M. Goldwyn. «Breast Sensation before and after Plastic Surgery». Plastic and Reconstructive Surgery 58, no. 1 (1976): 1 – 13.
Tairych G. V., R. Kuzbari, S. Rigel, B. P. Todoroff, B. Schneider, and M. Deutinger. «Normal Cutaneous Sensibility of the Breast». Plastic and Reconstructive Surgery 102, no. 3 (1976): 701–704.