TY - GEN AU - El-Nageh, Mohamed M. AU - Heuck, Claus C. AU - Kallner, Anders AU - Maynard, John ED - World Health Organization. Regional Office for the Eastern Mediterranean. TI - Quality systems for medical laboratories : guidelines for implementation and monitoring T2 - WHO regional publications, Eastern Mediterranean series ; 14 SN - 9290212039 PY - 1995/// CY - Alexandria : PB - WHO Regional Office for the Eastern Mediterranean KW - Laboratories KW - Standards KW - Quality control KW - Guidelines ER -