TY - BOOK AU - Prier,James E. AU - Friedman,Herman ED - American society for microbiology. Eastern Pennsylvania Branch Annual Symposium TI - Opportunistic pathogens SN - 0839107102 U1 - 616.01063 PY - 1974/// CY - Bltimore PB - University Park press KW - Medical microbiology KW - Technique KW - Congresses KW - Pathogenic microorganisms KW - Identifications KW - congresse N1 - Includes index ER -