P. Ma

Naegleria and Acanthamoeba infections: review.

G. Visvesvara, A. Martínez, T. Sawyer, 1990, Reviews of infectious diseases.

The diagnostic value of a ring infiltrate in acanthamoebic keratitis.

F. Jakobiec, R. Troutman, T. Iwamoto, 1985, Ophthalmology.

A case of keratitis due to Acanthamoeba in New York, New York, and features of 10 cases.

A. R. Stevens, E. Willaert, P. Ma, 1981, The Journal of infectious diseases.