Out-of-pocket expenditure experienced by couples seeking In Vitro Fertilization (IVF) services at tertiary care facilities in India - Prerana Patil; Akshita Vikani; Deepshikha Sharma; Oshima Sachin; Biju Soman; Bhavani Shankara Bagepally; Renu Tanwar; Vanita Suri; V. Radha; M. Anitha; P. Ramesh; Deepti Shrivastava; et al. (PLoS ONE, 2026)