Blas, B. (1988). Surveys, studies, and control work on schistosomiasis japonicum infection in the Philippines. Department of Health.
Dyfyniad Arddull ChicagoBlas, Bayani. Surveys, Studies, and Control Work on Schistosomiasis Japonicum Infection in the Philippines. Manila: Department of Health, 1988.
Dyfyniad MLABlas, Bayani. Surveys, Studies, and Control Work on Schistosomiasis Japonicum Infection in the Philippines. Department of Health, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.