. . . . "1917" . . "1995" . . "1917-05-11" . . "John B. Calhoun#Mouse experiments" . . . . "John B. Calhoun" . "John B. Calhoun's mouse experiments" . . . "John B. Calhoun" . . . . . . "John Calhoun" . "John_B._Calhoun#1963-1983" . . . . . . . . . .