RT Journal Article SR Electronic T1 Letters from S M Burroughs: the birth of a worldwide pharmaceutical enterprise JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 320 OP 322 DO 10.7861/clinmedicine.1-4-320 VO 1 IS 4 A1 L G Goodwin A1 M E Goodwin YR 2001 UL http://www.rcpjournals.org/content/1/4/320.abstract AB Letters from Silas Burroughs to his junior partner Henry Wellcome and other business associates have recently come to light. Written during his travels (1880-1882) soon after the establishment of their pharmaceutical company, the letters show how this energetic, resourceful and imaginative salesman developed and expanded the business overseas and tackled the problems of preservation, packaging and marketing of medicines in tropical countries.