Send the following on WhatsApp
Continue to ChatReference Values for Measurement of The Tear Production Rate By Schirmer Tear Test (STT) And Phenol Red Thread Test (PRTT) In Clinically Normal Turkish Shepherd Dogs - https://avesis.cumhuriyet.edu.tr/yayin/619b8cd2-b8d3-44cb-9841-a718942651fe/reference-values-for-measurement-of-the-tear-production-rate-by-schirmer-tear-test-stt-and-phenol-red-thread-test-prtt-in-clinically-normal-turkish-shepherd-dogs