The following publications are possibly variants of this publication:
- Improving Partograph Training and Use in Kenya Using the Partopen Digital Pen SystemHeather Underwood, John Ong'ech, Grace Omoni, Sabina Wakasiaka, S. Revi Sterling, John K. Bennett. biostec 2014: 407-422 [doi]
- The PartoPen in practice: evaluating the impact of digital pen technology on maternal health in KenyaHeather Underwood, S. Revi Sterling, John K. Bennett. ictd 2013: 274-283 [doi]
- Using Digital Pens for Maternal Labor Monitoring: Evaluating the PartoPen in KenyaHeather Underwood, John Ong'ech, Maya Appley, Sara Rosenblum, Addie Crawley, S. Revi Sterling, John K. Bennett. biostec 2015: 331-345 [doi]