Early experiments suggested that an antisense drug could precisely target cancer cells, but Crooke was unabletoreproduce this nascent work in his SmithKline lab.
The sterile flies (raised in special laboratories in Guatemala and rendered sterile with gamma rays) are expected to mate with females which, of course, will be unabletoreproduce.
Hook was unabletoreproduce his sparkling form of the Six Nations, struggling uncharacteristically with his place-kicking, but it is unthinkable that the Osprey will not play in the World Cup.