Yes, 'Dr.Who', not 'Doctor Who'. That was often how licensed BBC merchandise and comics had it back then. Even the Doctor Who TV series itself listed the character as 'Dr.Who' in the end credits for a while in the early days. And no one cared.
Here's the Dr.Who strip that appeared on the covers of Countdown comic this week in 1971. Part of The Celluloid Midas serial illustrated by Harry Lindfield. Very nice artwork by one of the top comic artists of the day.
This of course was back in the days when The Doctor was a tall middle-aged grey-haired chap dressed in black with a red lining to the outfit. Wouldn't it be great to have a Doctor looking like that now? Oh, hang on...
Doctor Who returns to our TV screens on Saturday August 23rd! Don't miss it!