Pattern of contraceptive use, determinants and fertility intentions among tribal women in Kerala, India: a cross-sectional study - Viroj Wiwanitkit; Krishnapillai Vijayakumar; Aswathy Sreedevi; Shana Shirin Najeeb; Vishnu Menon; Minu Maria Mathew; Lakshmi Aravindan; Rithima Anwar; Syama Sathish; Prema Nedungadi; Raghu Raman (BMJ Open, 2022)