# Smartphone App–Based and Paper-Based Patient-Reported Outcomes Using a Disease-Specific Questionnaire for Dry Eye Disease: Randomized Crossover Equivalence Study

> Research article (Journal of Medical Internet Research, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4385514519](https://www.wikidata.org/wiki/openalex:W4385514519)  
**Source**: https://4ort.xyz/entity/smartphone-appbased-and-paper-based-patient-reported-outcomes-using-a-disease-specific-questionnaire-for-dry-eye-disease