Establishment of a 900 telephone number at a university-based drug information service
1994 ◽
Vol 51
(21)
◽
pp. 2684-2687
1997 ◽
Vol 53
(2)
◽
pp. 89-94
◽
Keyword(s):
1971 ◽
Vol 5
(6)
◽
pp. 181-185
◽
1983 ◽
Vol 40
(2)
◽
pp. 257-259
Keyword(s):
1979 ◽
Vol 13
(10)
◽
pp. 603-607
1986 ◽
Vol 43
(9)
◽
pp. 2202-2205