共 10 条
[3]
GONZALEZMARTINE.I, 1916, NEW ORLEANS MED SURG, V69, P352
[5]
HOFFMAN WA, 1934, PUERTO RICO J PUB HL, V21, P125
[9]
Weller T. H., 1945, PUERTO RICO JOUR PUBL HEALTH AND TROP MED, V21, P125