WILLIAMS ROGER /współaut./ 286,654 Diseases of liver,gallbladder and pancreas. London 1972 Medical Education (International) Ltd. 4° Medicine 7,8 A Monthly-Add-on Series of Practical Ge- neral Medicine in 24 Sections: 1972-73 [Part] 1.[Aut.] Roger Williams [et al.] s.517-555.nlb.1,il. [Part.] 2.[Äut.] Roger Williams [et al.] s. 557-605,nlb.3,il.