RT @rpsp_pajph: 🥳 In May 1922, just 1️⃣0️⃣0️⃣ years ago, we began a scientific legacy by publishing: "The Importance of

RT @rpsp_pajph: 🥳 In May 1922, just 1️⃣0️⃣0️⃣ years ago, we began a scientific legacy by publishing:

"The Importance of Sanitary Cooperat…