Pine Resin and Biopin Ointment: Effects on Nonspecific Resistance of Organisms - A. S. Simbirtsev; V. G. Konusova; G. Sh. Mchedlidze; O. V. Markovskaya; E. Z. Fidarov; B. A. Paramonov; V. Yu. Chebotarev (Bulletin of Experimental Biology and Medicine, 2002)