https://www.selleckchem.com/products/ly333531.html
Tracheostomy remains a topical surgical procedure. The history of tracheostomy is marked by the development of various instruments, including the three-bladed tracheostomy dilator from the middle of the 19th century. The purpose of this historical note is to recall the use of this unusual instrument. Expressed breast milk feeding has increased substantially in the past two decades. Once used primarily for preterm infants, feeding expressed breast milk is now more common in mothers giving birth to healthy term infants. However, the effe