Correspondence between Pontecorvo and friends and colleagues concerning his paper Production of indefinitely multiplying mammalian somatic cell hybrids by polyethylene glycol (PEG) treatment relating to his research work on Polyethylene glycol (PEG) fusion

Scope and Content

Most of the letters are from friends and colleagues thanking Pontecorvo for sending them his reprint and commenting on its success. Also includes a list of people who were sent a reprint.