Motoyuki Nagoshi

Experimental use of lyophilized porcine skin

N. Ikegami, K. Nishijima, K. Matsumura, 1981 .

Clinico-statistical observations on impacted teeth and impacted supernumerary teeth in our clinic during past ten years

I. Shimoyama, Hironobu Tamura, S. Takagi, 1981 .