K. Back

TRISOMY 21 OR 22 IN DOWN'S SYNDROME?

A. Falek, K. Back, 1967 .

Early pregnancy diagnosis by the early pregnancy factor and the progesterone concentration in serum of Korea native cattle(Hanwoo)

Y. Ko, G. Im, H. Seong, 1998 .

The diagnosis of pheochromocytoma by demonstration of pressor substances in the urine and by retroperitoneal pneumography.

S. Wolf, P. Russo, H. Shoemaker, 1954, Annals of internal medicine.

Postural guarding and hypertension as initial manifestations of Guillain-Barré syndrome.

J. Singer, K. Back, 1989, The American journal of emergency medicine.