How to prepare artificial milk?

When there is a medical indication to administer a human milk substitute for a specific situation, it must be prepared under safe conditions.
• Wash hands.
• Boil filtered water (after it begins to boil, wait 15 minutes), and then allow to cool to room temperature.
• Use the quantity of water corresponding to the quantity of feed desired; for every 30 ml of water add one level measure of milk powder.
• Shake the feeding bottle until the powder is totally dissolved.
• Milk should be prepared at the time of each feeding.