Hentsch Y.
Z Krankenpfl. 1976 Oct;69(10):287-90.
PMID: 1051186

Smith DA.
Pa Med. 1983 Feb;86(2):18.
PMID: 6682539

Adizes I, Zukin P.
Health Care Manage Rev. 1977;2(1):19-28.
PMID: 10236344

Relman AS.
N Engl J Med. 1978 Sep 21;299(12):652-3. doi: 10.1056/NEJM197809212991208.
PMID: 683239

Weiss B.
Med Econ. 2002 Jul 26;79(14):42, 48-9.
PMID: 12195656

Bui Dang Ha Doan.
World Health Stat Q. 1981;34(2):74-90.
PMID: 7293208

[No authors listed]
Physician Perform Paym Rep. 1999 Dec;1(1):12.
PMID: 10982529