Malhotra, S., Kalaivani, M., Rath, R., Prasad, M., Vashist, P., Gupta, N., . . . Gupta, S. K. (2019). Use of spectacles for distance vision: Coverage, unmet needs and barriers in a rural area of North India. BMC Ophthalmol.
Chicago-tyylinen lähdeviittausMalhotra, Sumit, Mani Kalaivani, Ramashankar Rath, Manya Prasad, Praveen Vashist, Noopur Gupta, Suraj Singh Senjam, ja Sanjeev Kumar Gupta. "Use of Spectacles for Distance Vision: Coverage, Unmet Needs and Barriers in a Rural Area of North India." BMC Ophthalmol 2019.
MLA-viiteMalhotra, Sumit, et al. "Use of Spectacles for Distance Vision: Coverage, Unmet Needs and Barriers in a Rural Area of North India." BMC Ophthalmol 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.