Clinical trial methodology
2018 ◽
Vol 149
(3)
◽
pp. 605-611
◽
1992 ◽
Vol 63
(12s)
◽
pp. 1064-1071
◽
1979 ◽
Vol 25
(5part2)
◽
pp. 758-760
◽
1976 ◽
Vol 19
(5part2)
◽
pp. 628-629
2014 ◽
Vol 99
(5)
◽
pp. 1825-1833
◽