TY - GENERIC DO - 10.20944/preprints202006.0132.v1 UR - http://dx.doi.org/10.20944/preprints202006.0132.v1 TI - A Brief Review of Materials and Designs for Homemade Masks to Protect Against COVID-19 T2 - Preprints AU - Strong-Wright, Jago PY - 2020 DA - 2020/06/11 PB - Preprints