CMAJ. 1992 Dec 15;147(12):1748-9.
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne
W Hay
PMID: 1458405 PMCID: PMC1336620 Free PMC Article
[No abstract available.]
Loeb L. N Y State J Med. 1989 Mar;89(3):141-3. PMID: 2922147