1. Oxytocin in lactating cows and goats;Hawker;Brit Vet J,1957
2. Blood oxytocin levels in the cow during milking and in the parturient goat;Knaggs;J Endocrinol,1963
3. Oxytocin concentration in bovine blood plasma during normal milkings;Pritchard;J Dairy Sci,1966
4. The detection of oxytocin release in response to conditioned stimuli associated with machine milking in the cow;Cleverley;J Endocrinol,1968
5. Plasma oxytocic activity and intramammary pressure in lactating cows;Lawson;J Dairy Sci,1968