1. Aspiration of stomach contents into the lungs during obstetric anaesthesia;Mendelson;Am. J. Obstet. Gynecol.,1946
2. Food aspiration pneumonia;Fetterman;P. Med. J.,1942
3. Note on the origin of some fragments of bone in the lungs of laboratory animals;Innes;AMA Arch. Pathol.,1956
4. Regurgitation and aspiration of stomach contents during inhalation anaesthesia;Weiss;Anaesthesiol.,1950
5. The Frequency of aspiration of gastric contents by the lungs during anaesthesia and surgery;Culver;Ann. Surg.,1951