TY - JOUR T1 - Clinical studies / CY - Bethesda, Md. : CN - HE 20.3052/ PB - The Center, PP - Bethesda, Md. : N1 - Description based on: 1989. ID - 159359 KW - Medicine KW - Medicine, Experimental KW - Medicine KW - Referral and Consultation TI - Clinical studies / ER -