Maternal coping strategies in response to child's oncological diseases in Sri Lanka. - Padeniya RN; Thushari G; Nissanka DH; Shashika C; Munasinghe DH; Aberathne DM; Weerawardena PL; Galgamuwa LS; Kumarasinghe N; Liyanage L (Acta oncologica (Stockholm, Sweden), 2020)