Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study

Manjula Weerasinghe, Flemming Konradsen, Michael Eddleston, Melissa Pearson, David Gunnell, Keith Hawton, Shaluka Jayamanne, Chathurani Pabasara, Tharidu Jayathilaka, Kalpani Dissanayaka, Sandamali Rajapaksha, Prasanna Thilakarathna, Suneth Agampodi