Pernicious Anaemia
BMJ 369:m1319, Mohamed, M.,et al, 2020
Risk Factors for Obstructive Sleep Apnea in Adults
JAMA 291:2013-2016, Young,T.,et al, 2004
Hypotension and Cognitive Impairment
Neurol 57:1986-1992,1945, Zuccala,G.,et al, 2001
Irregular Breathing
In Internal Medicine, Little, Brown & Co, Boston, 3rd Ed, p. 573-574, Cherniack,N.S., 1990