20. NLN Publication 606,424 Radiopharmaceuticals s drug applications s Nordic guidelines / prep, by Nordic Council on Medicines in coop, with the drug regulatory authorities in Denmark, Finland, Iceland, Norway, Sweden. - Uppsala :Nordiska Lakemedelsnamnden, 1988. - 33 s. ;25 cm. - (NLN Publication ; no. 20) ISBN 91-86432-19-2