1. Pain and its effects in the human neonate and fetus;Anand;N Engl J Med,1987
2. Multiple intramuscular injection—a major source of variability in analgesic response to meperidine;Austin;Pain,1980
3. Critically crushed chests;Avery;J Thorac Cardiovasc Surg,1956
4. Chest pain and time taken for diagnosis in myocardial infarction;Baker;Br J Clin Pract,1987
5. Measurement of post-operative pain and narcotic administration in infants using a new clinical scoring system;Barrier;Intensive Care Med,1989