1. Gross and histologic characteristics of laparoscopic injuries with four different energy sources 
Paul K Tulikangas, M.D., Tamara Smith, M.D., Tommaso Falcone, M.D., Navdeep Boparai, M.S., Mark D Walters, M.D. 
Fertility and Sterility 
Volume 75, Issue 4, Pages (April 2001)
DOI: /S (00)

2. Figure 1
Full-thickness rectal injury with monopolar cautery (original magnification, ×5). A indicates epithelial layer; B, submucosal layer; C, muscularis.
Tulikangas. Characteristics of laparoscopic injuries. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )

3. Figure 2
Rectal epithelium injury with monopolar cautery (original magnification, ×20).
Tulikangas. Characteristics of laparoscopic injuries. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )

4. Figure 3
Rectal injury with ultrasonic scalpel (original magnification, ×5). Arrow points to divot on serosal surface.
Tulikangas. Characteristics of laparoscopic injuries. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )