50 years ago, urea showed promise as a sickle-cell treatment
Excerpt from the December 19, 1970 issue of Science News
![a microscopic image showing the sickle curved shape of blood cells](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/12/120320_bb_sickle-cell_feat.jpg?fit=1030%2C579&ssl=1)
Keith Chambers/Scooter Project/Wikimedia Commons (CC BY-SA 3.0)
Keith Chambers/Scooter Project/Wikimedia Commons (CC BY-SA 3.0)
Excerpt from the December 19, 1970 issue of Science News
Keith Chambers/Scooter Project/Wikimedia Commons (CC BY-SA 3.0)
Keith Chambers/Scooter Project/Wikimedia Commons (CC BY-SA 3.0)