McKendrick, A. G. and Morison, J.

1919. Determination of incubation periods from maritime statistics, with particular reference to incubation period of influenza. Indian Jour. Med. Res., VII, 364.

McLaughlin, A. J.

1920. Epidemiology and etiology of influenza. Bost. Med. and Sur. Jour. CLXXXII.

McNalty.

1920. Influenza. Nelson’s System of Medicine, 1920.

MacRae, Duncan M.

1919. Influenza and chronic lung disease. Lancet, I, 281.

Macklin.

1920. Influenza amongst the Lapps. Brit. Med. Jour., I, 465.