復(fù)數(shù)：safety pins

n.a pin in the form of a clasp; has a guard so the point of the pin will not stick the user

SAFETY PIN
SAFETY-PIN
SAFETY-PIN
[Problems posed by an intrabronchial safety pin in a child]
Culture swab with protective cap and safety pin
Carpenter's nails, phonograph needles, piano wires, and safety pins: The history of operative fixation of metacarpal and phalangeal ...
External fixation of the calcaneus and talus: an anatomical study for safe pin insertion.
Pediatric safety pin ingestion.
Safety-pin ingestion in children: a cultural fact
Anatomic relationship of the radial nerve to the elbow joint: clinical implications of safe pin placement.
Magill forceps technique for removal of safety pins in upper esophagus: a preliminary report
Aspirated safety pin requiring thoracotomy: report of a case and review.
Inhalation of a safety pin by a laryngectomized patient: a case report