Enlace original:
https://apps.who.int/iris/handle/10665/46399
Cockburn, W. Chas
,
Hobson, B
,
Lightbown, J. W
,
Lyng, Jorn
,
Magrath, D
,
[The International contribution to the standardization of biological substances / W. C. Cockburn ... [et al.]. II., Biological standards and the World Health Organization 1947-1990 : general considerations]