Text this: "In the lungs and out by the mouth": the intrauterine device in Singapore, 1965-1986

  ______     ___     __   __   _    _     _____   
 /_   _//   / _ \\   \ \\/ // | || | ||  / ____|| 
   | ||    | / \ ||   \   //  | || | || / //---`' 
  _| ||    | \_/ ||   / . \\  | \\_/ || \ \\___   
 /__//      \___//   /_//\_\\  \____//   \_____|| 
 `--`       `---`    `-`  --`   `---`     `----`