Thus, with the advancement of changing technology the mode of providing reference service in the academic libraries are gradually changing. It is now presented to the user in a new and more developed form that is âvirtual reference serviceâ, which is other wise known as âdigital reference serviceâ. 1.
Hemodialysis and peritoneal dialysis have been done since the mid 1940's. Dialysis, as a regular treatment, was begun in 1960 and is now a standard treatment all around the world. CAPD began in 1976. Thousands of patients have been helped by these treatments.
There isnât a lot said about PD before Henry Tenckhoff , but the 40 years of research that went into the field before the modern dialysis techniques are extremely important. The first patient who was successfully treated in this manner happened around 1938 and there were documented successes of PD happening in 1945.